EOS47500

Name:
EOS: EOS47500 
CAS:
Synonyms:
Tags:
Compound Library: European Chemical Biology Library
Molecule image

Basic Properties:

Formula: C20H16FNO4
Molecular Weight: 353.35
Rotatable Bond Donors: 4
clogP: 3.12
Topological Polar Surface Area: 59.75
Lipinski's RO5:  MW: 353.35  HBA: 5  HBD: 0  RB: 4  LogP: 3.12
Rule of Three:  MW: 353.35  HBA: 5  HBD: 0  RB: 4  LogP: 3.12

Additional Data:

Other Descriptors

FP3 Fingerprint: 0.20
NHs/OHs: 0
Nitrogens and Oxygens: 5
Aliphatic Carbocycles: 0
Aliphatic Heterocycles: 1
Aliphatic Rings: 1
Aromatic Carbocycles: 2
Aromatic Heterocycles: 1
Aromatic Rings: 3
Heteroatoms: 6
Radical Electrons: 0
Saturated Carbocycles: 0
Saturated Heterocycles: 0
Saturated Rings: 0
Valence Electrons: 132
Rings: 4
Aliphatic Carboxylic Acids: 0
Aliphatic Hydroxyl Groups: 0
Aliphatic Hydroxyl Groups Excluding Tert-OH: 0
Nitrogen Functional Groups Attached to Aromatics: 0
Aromatic Carboxylic Acide: 0
Aromatic Nitrogens: 0
Aromatic Amines: 0
Aromatic Hydroxyl Groups: 0
Carboxylic Acids (COO): 0
Carboxylic Acids (COO2): 0
Carbonyl Oxygens: 1
Carbonyl Oxygens, excluding COOH: 1
Thiocarbonyls: 0
C(OH)CCN-Ctert-alkyls/C(OH)CCNcyclics: 0
Imines: 0
Tertiary Amines: 1
Secondary Amines: 0
Primary Amines: 0
Hydroxylamine Groups: 0
XCCNR Groups: 0
Tert-alicyclic Amines (no heteroatoms, not quinine-like bridged N): 0
H-pyrrole nitrogens: 0
Thiol groups: 0
Aldehydes: 0
Alkyl Carbamates (subject to hydrolysis): 0
Alkyl Halides: 0
Allylic Oxidation Sites excluding Steroid Dienone: 0
Amides: 1
Amidine Groups: 0
Anilines: 0
Aryl Methyl Sites for Hydroxylation: 0
Azide Groups: 0
Azo Groups: 0
Barbiturate Groups: 0
Benzene Rings: 2
Benzodiazepines with no additional Fused Rings: 0
Bicyclic: 2
Diazo Groups: 0
Dihydropyridines: 0
Epoxide Rings: 0
Esters: 0
Ether Oxygens (including phenoxy): 1
Furan Rings: 0
Guanidine Groups: 0
Halogens: 1
Hydrazine Groups: 0
Hydrazone Groups: 0
Imidazole Rings: 0
Imide Groups: 0
Isocyanates: 0
Isothiocyanates: 0
Ketones: 0
Ketones excluding diaryl, a,b-unsat. dienones, heteroatom on Calpha: 0
Beta Lactams: 0
Cyclic Esters (Lactones): 0
Methoxy Groups -OCH3: 1
Morpholine Rings: 0
Nitriles: 0
Nitro Groups: 0
Nitro Benzene Ring Substituents: 0
Non-ortho Nitro Benzene Ring Substituents: 0
Nitroso Groups, excluding NO2: 0
Oxazole Rings: 0
Oxime Groups: 0
Para-hydroxylation Sites: 1
Phenols: 0
Phenolic OH excluding Ortho Intramolecular Hbond substituents: 0
Phosphoric Acid Groups: 0
Phosphoric Ester Groups: 0
Piperdine Rings: 0
Piperzine Rings: 0
Primary Amides: 0
Primary Sulfonamides: 0
Pyridine Rings: 0
Guarternary Nitrogens: 0
Thioethers: 0
Sulfonamides: 0
Sulfone Groups: 0
Terminal Acetylenes: 0
Tetrazole Rings: 0
Thiazole Rings: 0
Thiocyanates: 0
Thiophene Rings: 0
Unbranched Alkanes of at least 4 members (excludes halogenated alkanes): 0
Urea Groups: 0
BCUT2D - Gasteiger Charge Eigenvalue High: 2.42
BCUT2D - Gasteiger Charge Eigenvalue Low: -2.24
BCUT2D - Crippen Lowgp Eigenvalue High: 2.37
BCUT2D - Crippen Lowgp Eigenvalue Low: -2.32
BCUT2D - Crippen MR Eigenvalue High: 5.99
BCUT2D - Crippen MR Eigenvalue Low: 0.07
BCUT2D - Mass Eigenvalue High: 19.14
BCUT2D - Mass Eigenvalue Low: 9.98
Balaban’s J: 1.97
Bertz CT: 1059.11
Chi 0: 18.26
Chi 0n: 14.07
Chi 0v: 14.07
Chi 1: 12.61
Chi 1n: 8.23
Chi 1v: 8.23
Chi 2n: 6.12
Chi 2v: 6.12
Chi 3v: 4.57
Chi 3v: 4.57
Chi 4n: 3.41
Chi 4v: 3.41
Morgan Fingerprint Density (1): 1.15
Morgan Fingerprint Density (2): 1.96
Morgan Fingerprint Density (3): 2.73
CSP3 Fraction: 0.20
Hall Kier Alpha: -2.99
Heavy Atoms: 26.00
Ipc descriptor: 1227026.90
Kappa 1: 16.48
Kappa 2: 6.38
Kappa 3: 2.50
Labute ASA: 148.16
Max ABS Estate Index: 13.80
Max ABS Partial Charge: 0.45
Max Estate Index: 13.80
Max Partial Charge: 0.29
Minimal ABS Estate Index: 0.01
Minimal ABS Partial Charge: 0.29
Minimal State Index: -0.70
Minimal Partial Charge: -0.45
Molar Refractivity: 93.64
Quantitative Estimation of Drug-likeness (QED): 0.72

Structure formats:

Smiles


InChI


SDF


Similar ECBD compounds (9 entries):

ECBD ID Similarity Structure
EOS94243 0.88 Zinc molecule image
EOS36928 0.74 Zinc molecule image
EOS52436 0.71 Zinc molecule image
EOS35502 0.7 Zinc molecule image
EOS35626 0.83 Zinc molecule image
EOS77964 0.74 Zinc molecule image
EOS63667 0.72 Zinc molecule image
EOS35623 0.75 Zinc molecule image
EOS86459 0.7 Zinc molecule image

Similar ZINC compounds (358 entries):

ZINC ID Similarity Structure
ZINC8869370 0.75 Zinc molecule image
ZINC2433907 0.7 Zinc molecule image
ZINC2393130 0.74 Zinc molecule image
ZINC16749794 0.72 Zinc molecule image
ZINC2393131 0.74 Zinc molecule image
ZINC16750078 0.74 Zinc molecule image
ZINC2426668 0.73 Zinc molecule image
ZINC2426669 0.73 Zinc molecule image
ZINC16750075 0.74 Zinc molecule image
ZINC2423399 0.86 Zinc molecule image
ZINC5556661 0.78 Zinc molecule image
ZINC5150425 0.73 Zinc molecule image
ZINC5150428 0.73 Zinc molecule image
ZINC5556666 0.78 Zinc molecule image
ZINC2423400 0.86 Zinc molecule image
ZINC16737381 0.71 Zinc molecule image
ZINC16737379 0.71 Zinc molecule image
ZINC20307935 0.79 Zinc molecule image
ZINC20307941 0.7 Zinc molecule image
ZINC20307936 0.79 Zinc molecule image
ZINC20307939 0.7 Zinc molecule image
ZINC2329414 0.78 Zinc molecule image
ZINC8867764 0.7 Zinc molecule image
ZINC2415613 0.83 Zinc molecule image
ZINC8325379 0.76 Zinc molecule image
ZINC2431659 0.79 Zinc molecule image
ZINC8867734 0.74 Zinc molecule image
ZINC2431661 0.79 Zinc molecule image
ZINC16806454 0.73 Zinc molecule image
ZINC2414753 0.75 Zinc molecule image
ZINC2212682 0.72 Zinc molecule image
ZINC16806453 0.73 Zinc molecule image
ZINC16753563 0.73 Zinc molecule image
ZINC7262617 0.75 Zinc molecule image
ZINC8325447 0.76 Zinc molecule image
ZINC7262626 0.75 Zinc molecule image
ZINC8867762 0.7 Zinc molecule image
ZINC16752672 0.71 Zinc molecule image
ZINC2405163 0.74 Zinc molecule image
ZINC8867736 0.74 Zinc molecule image
ZINC16752675 0.71 Zinc molecule image
ZINC16750334 0.74 Zinc molecule image
ZINC16753560 0.73 Zinc molecule image
ZINC6881562 0.7 Zinc molecule image
ZINC2415612 0.83 Zinc molecule image
ZINC8373814 0.74 Zinc molecule image
ZINC2703847 0.76 Zinc molecule image
ZINC2403059 0.76 Zinc molecule image
ZINC2205930 0.81 Zinc molecule image
ZINC2205929 0.81 Zinc molecule image
ZINC2703848 0.76 Zinc molecule image
ZINC2403058 0.76 Zinc molecule image
ZINC8373801 0.74 Zinc molecule image
ZINC5178948 0.71 Zinc molecule image
ZINC5178933 0.71 Zinc molecule image
ZINC2408225 0.71 Zinc molecule image
ZINC2408226 0.71 Zinc molecule image
ZINC8917292 0.73 Zinc molecule image
ZINC16751666 0.71 Zinc molecule image
ZINC8917291 0.73 Zinc molecule image
ZINC16751669 0.71 Zinc molecule image
ZINC8338518 0.79 Zinc molecule image
ZINC2402469 0.89 Zinc molecule image
ZINC8378469 0.7 Zinc molecule image
ZINC6627078 0.8 Zinc molecule image
ZINC5563131 0.7 Zinc molecule image
ZINC5563134 0.7 Zinc molecule image
ZINC2212680 0.72 Zinc molecule image
ZINC16750336 0.74 Zinc molecule image
ZINC6881563 0.7 Zinc molecule image
ZINC2414752 0.75 Zinc molecule image
ZINC2405164 0.74 Zinc molecule image
ZINC5556305 0.75 Zinc molecule image
ZINC5556583 0.75 Zinc molecule image
ZINC5532795 0.83 Zinc molecule image
ZINC5533793 1.0 Zinc molecule image
ZINC2401365 0.71 Zinc molecule image
ZINC2407530 0.86 Zinc molecule image
ZINC16751177 0.72 Zinc molecule image
ZINC5533798 1.0 Zinc molecule image
ZINC2401364 0.71 Zinc molecule image
ZINC5556586 0.75 Zinc molecule image
ZINC16751175 0.72 Zinc molecule image
ZINC5532798 0.83 Zinc molecule image
ZINC2407529 0.86 Zinc molecule image
ZINC5577253 0.72 Zinc molecule image
ZINC2433069 0.77 Zinc molecule image
ZINC5533434 0.88 Zinc molecule image
ZINC8867754 0.71 Zinc molecule image
ZINC6883417 0.8 Zinc molecule image
ZINC2413447 0.73 Zinc molecule image
ZINC7261983 0.81 Zinc molecule image
ZINC2209442 0.71 Zinc molecule image
ZINC6883415 0.8 Zinc molecule image
ZINC2209447 0.71 Zinc molecule image
ZINC2405599 0.71 Zinc molecule image
ZINC16752287 0.71 Zinc molecule image
ZINC2417980 0.71 Zinc molecule image
ZINC2209445 0.71 Zinc molecule image
ZINC2419929 0.73 Zinc molecule image
ZINC2419928 0.73 Zinc molecule image
ZINC2436110 0.7 Zinc molecule image
ZINC2235097 0.7 Zinc molecule image
ZINC16752290 0.71 Zinc molecule image
ZINC7262798 0.74 Zinc molecule image
ZINC2413446 0.73 Zinc molecule image
ZINC16752426 0.83 Zinc molecule image
ZINC2417981 0.71 Zinc molecule image
ZINC2436113 0.7 Zinc molecule image
ZINC2235096 0.7 Zinc molecule image
ZINC7262788 0.74 Zinc molecule image
ZINC2405598 0.71 Zinc molecule image
ZINC2420012 0.81 Zinc molecule image
ZINC8867756 0.71 Zinc molecule image
ZINC2209444 0.71 Zinc molecule image
ZINC16752429 0.83 Zinc molecule image
ZINC7261987 0.81 Zinc molecule image
ZINC2420011 0.81 Zinc molecule image
ZINC2434214 0.72 Zinc molecule image
ZINC2434217 0.72 Zinc molecule image
ZINC8867779 0.7 Zinc molecule image
ZINC8867777 0.7 Zinc molecule image
ZINC2851723 0.79 Zinc molecule image
ZINC8869368 0.75 Zinc molecule image
ZINC16749797 0.72 Zinc molecule image
ZINC2851722 0.79 Zinc molecule image
ZINC2433909 0.7 Zinc molecule image
ZINC16742100 0.7 Zinc molecule image
ZINC16742101 0.7 Zinc molecule image
ZINC2408354 0.74 Zinc molecule image
ZINC8378455 0.7 Zinc molecule image
ZINC8378550 0.7 Zinc molecule image
ZINC2395285 0.75 Zinc molecule image
ZINC8254281 0.7 Zinc molecule image
ZINC2398769 0.77 Zinc molecule image
ZINC8254250 0.7 Zinc molecule image
ZINC2236963 0.7 Zinc molecule image
ZINC2395286 0.75 Zinc molecule image
ZINC6892569 0.78 Zinc molecule image
ZINC2398768 0.77 Zinc molecule image
ZINC2236962 0.7 Zinc molecule image
ZINC20219626 0.77 Zinc molecule image
ZINC6892571 0.78 Zinc molecule image
ZINC20219627 0.77 Zinc molecule image
ZINC2380932 0.79 Zinc molecule image
ZINC2194990 0.8 Zinc molecule image
ZINC2212387 0.76 Zinc molecule image
ZINC2336720 0.86 Zinc molecule image
ZINC2216266 0.89 Zinc molecule image
ZINC5574958 0.7 Zinc molecule image
ZINC8374066 0.75 Zinc molecule image
ZINC2703605 0.87 Zinc molecule image
ZINC4318713 0.77 Zinc molecule image
ZINC2212385 0.76 Zinc molecule image
ZINC8374017 0.75 Zinc molecule image
ZINC16752667 0.75 Zinc molecule image
ZINC2194989 0.8 Zinc molecule image
ZINC2200859 0.72 Zinc molecule image
ZINC5574942 0.7 Zinc molecule image
ZINC16752670 0.75 Zinc molecule image
ZINC2380929 0.79 Zinc molecule image
ZINC2703606 0.87 Zinc molecule image
ZINC4318711 0.77 Zinc molecule image
ZINC2200860 0.72 Zinc molecule image
ZINC2336721 0.86 Zinc molecule image
ZINC2216267 0.89 Zinc molecule image
ZINC16751922 0.76 Zinc molecule image
ZINC8917227 0.71 Zinc molecule image
ZINC2703758 0.71 Zinc molecule image
ZINC16751067 0.78 Zinc molecule image
ZINC5561633 0.8 Zinc molecule image
ZINC5561637 0.8 Zinc molecule image
ZINC2395227 0.71 Zinc molecule image
ZINC2395228 0.71 Zinc molecule image
ZINC2703552 0.72 Zinc molecule image
ZINC8378563 0.7 Zinc molecule image
ZINC6627083 0.8 Zinc molecule image
ZINC2402470 0.89 Zinc molecule image
ZINC2703554 0.72 Zinc molecule image
ZINC8338676 0.79 Zinc molecule image
ZINC8867732 0.7 Zinc molecule image
ZINC5532653 0.74 Zinc molecule image
ZINC2434093 0.74 Zinc molecule image
ZINC2411212 0.71 Zinc molecule image
ZINC16751657 0.76 Zinc molecule image
ZINC16750331 0.71 Zinc molecule image
ZINC7261985 0.72 Zinc molecule image
ZINC5532659 0.74 Zinc molecule image
ZINC7261981 0.72 Zinc molecule image
ZINC8867730 0.7 Zinc molecule image
ZINC2411213 0.71 Zinc molecule image
ZINC2344475 0.7 Zinc molecule image
ZINC16750328 0.71 Zinc molecule image
ZINC2434095 0.74 Zinc molecule image
ZINC2344473 0.7 Zinc molecule image
ZINC16751655 0.76 Zinc molecule image
ZINC16750164 0.76 Zinc molecule image
ZINC16750172 0.7 Zinc molecule image
ZINC16750103 0.78 Zinc molecule image
ZINC16749817 0.71 Zinc molecule image
ZINC16750106 0.78 Zinc molecule image
ZINC16750170 0.7 Zinc molecule image
ZINC16749811 0.72 Zinc molecule image
ZINC16749820 0.71 Zinc molecule image
ZINC16750167 0.76 Zinc molecule image
ZINC16749814 0.72 Zinc molecule image
ZINC16750109 0.73 Zinc molecule image
ZINC16750153 0.73 Zinc molecule image
ZINC16750156 0.73 Zinc molecule image
ZINC16750112 0.73 Zinc molecule image
ZINC13776368 0.74 Zinc molecule image
ZINC2410431 0.71 Zinc molecule image
ZINC9158320 0.74 Zinc molecule image
ZINC2410430 0.71 Zinc molecule image
ZINC5562475 0.71 Zinc molecule image
ZINC2329412 0.78 Zinc molecule image
ZINC5562478 0.71 Zinc molecule image
ZINC8867624 0.75 Zinc molecule image
ZINC8867626 0.75 Zinc molecule image
ZINC5556501 0.71 Zinc molecule image
ZINC5556507 0.71 Zinc molecule image
ZINC8468981 0.8 Zinc molecule image
ZINC2415601 0.71 Zinc molecule image
ZINC2415602 0.71 Zinc molecule image
ZINC16806394 0.71 Zinc molecule image
ZINC16750101 0.89 Zinc molecule image
ZINC16752876 0.71 Zinc molecule image
ZINC16752873 0.71 Zinc molecule image
ZINC16750098 0.89 Zinc molecule image
ZINC2421782 0.73 Zinc molecule image
ZINC2400820 0.72 Zinc molecule image
ZINC16752655 0.72 Zinc molecule image
ZINC8324975 0.76 Zinc molecule image
ZINC8324979 0.76 Zinc molecule image
ZINC2400821 0.72 Zinc molecule image
ZINC8534043 0.8 Zinc molecule image
ZINC2421781 0.73 Zinc molecule image
ZINC16806396 0.71 Zinc molecule image
ZINC16752657 0.72 Zinc molecule image
ZINC5164947 0.7 Zinc molecule image
ZINC5164946 0.7 Zinc molecule image
ZINC2428659 0.7 Zinc molecule image
ZINC2428658 0.7 Zinc molecule image
ZINC8378462 0.74 Zinc molecule image
ZINC8378557 0.74 Zinc molecule image
ZINC2231894 0.73 Zinc molecule image
ZINC2703559 0.8 Zinc molecule image
ZINC8378560 0.74 Zinc molecule image
ZINC8378466 0.74 Zinc molecule image
ZINC16751283 0.78 Zinc molecule image
ZINC2410218 0.75 Zinc molecule image
ZINC2410217 0.75 Zinc molecule image
ZINC2443867 0.79 Zinc molecule image
ZINC2215012 0.7 Zinc molecule image
ZINC2408355 0.74 Zinc molecule image
ZINC2426853 0.74 Zinc molecule image
ZINC2398438 0.73 Zinc molecule image
ZINC8867740 0.75 Zinc molecule image
ZINC16751164 0.85 Zinc molecule image
ZINC16751167 0.85 Zinc molecule image
ZINC16753571 0.75 Zinc molecule image
ZINC2443868 0.79 Zinc molecule image
ZINC2215010 0.7 Zinc molecule image
ZINC2418819 0.84 Zinc molecule image
ZINC8867738 0.75 Zinc molecule image
ZINC2418818 0.84 Zinc molecule image
ZINC2426852 0.74 Zinc molecule image
ZINC16753574 0.75 Zinc molecule image
ZINC2398439 0.73 Zinc molecule image
ZINC2703760 0.71 Zinc molecule image
ZINC16751924 0.76 Zinc molecule image
ZINC8917226 0.71 Zinc molecule image
ZINC16751065 0.78 Zinc molecule image
ZINC16806349 0.76 Zinc molecule image
ZINC16751660 0.71 Zinc molecule image
ZINC16751125 0.75 Zinc molecule image
ZINC8917230 0.7 Zinc molecule image
ZINC16751245 0.78 Zinc molecule image
ZINC16751122 0.75 Zinc molecule image
ZINC8917231 0.7 Zinc molecule image
ZINC16751663 0.71 Zinc molecule image
ZINC16751243 0.78 Zinc molecule image
ZINC16751697 0.7 Zinc molecule image
ZINC16806351 0.76 Zinc molecule image
ZINC16751699 0.7 Zinc molecule image
ZINC5577308 0.71 Zinc molecule image
ZINC2214312 0.71 Zinc molecule image
ZINC2214313 0.71 Zinc molecule image
ZINC16752880 0.7 Zinc molecule image
ZINC16752878 0.7 Zinc molecule image
ZINC5577306 0.71 Zinc molecule image
ZINC16751986 0.71 Zinc molecule image
ZINC16751254 0.71 Zinc molecule image
ZINC16751257 0.71 Zinc molecule image
ZINC16751975 0.7 Zinc molecule image
ZINC16751237 0.72 Zinc molecule image
ZINC16751978 0.7 Zinc molecule image
ZINC16751991 0.71 Zinc molecule image
ZINC16806360 0.7 Zinc molecule image
ZINC16751240 0.72 Zinc molecule image
ZINC16806362 0.7 Zinc molecule image
ZINC16751988 0.71 Zinc molecule image
ZINC16751994 0.71 Zinc molecule image
ZINC2433070 0.77 Zinc molecule image
ZINC5533429 0.88 Zinc molecule image
ZINC5577250 0.72 Zinc molecule image
ZINC9344877 0.71 Zinc molecule image
ZINC9344875 0.71 Zinc molecule image
ZINC2398721 0.75 Zinc molecule image
ZINC8867750 0.75 Zinc molecule image
ZINC5489981 0.73 Zinc molecule image
ZINC5489984 0.73 Zinc molecule image
ZINC2217718 0.79 Zinc molecule image
ZINC5557147 0.78 Zinc molecule image
ZINC16750086 0.77 Zinc molecule image
ZINC2398720 0.75 Zinc molecule image
ZINC2217716 0.79 Zinc molecule image
ZINC5557146 0.78 Zinc molecule image
ZINC16750089 0.77 Zinc molecule image
ZINC8867752 0.75 Zinc molecule image
ZINC5574323 0.83 Zinc molecule image
ZINC8917290 0.73 Zinc molecule image
ZINC5555987 0.7 Zinc molecule image
ZINC5556418 0.75 Zinc molecule image
ZINC8917289 0.73 Zinc molecule image
ZINC5556421 0.75 Zinc molecule image
ZINC5574313 0.83 Zinc molecule image
ZINC5555979 0.7 Zinc molecule image
ZINC16806458 0.7 Zinc molecule image
ZINC2390468 0.82 Zinc molecule image
ZINC5574931 0.7 Zinc molecule image
ZINC2390471 0.82 Zinc molecule image
ZINC536843 0.7 Zinc molecule image
ZINC536842 0.7 Zinc molecule image
ZINC5574919 0.7 Zinc molecule image
ZINC16806456 0.7 Zinc molecule image
ZINC16752449 0.72 Zinc molecule image
ZINC16752451 0.72 Zinc molecule image
ZINC2231892 0.73 Zinc molecule image
ZINC16751285 0.78 Zinc molecule image
ZINC2703561 0.8 Zinc molecule image
ZINC5556309 0.75 Zinc molecule image
ZINC16752029 0.76 Zinc molecule image
ZINC16752031 0.76 Zinc molecule image
ZINC16751161 0.7 Zinc molecule image
ZINC16751963 0.73 Zinc molecule image
ZINC16806368 0.74 Zinc molecule image
ZINC5561353 0.73 Zinc molecule image
ZINC5561357 0.73 Zinc molecule image
ZINC16751159 0.7 Zinc molecule image
ZINC16750365 0.78 Zinc molecule image
ZINC16751966 0.73 Zinc molecule image
ZINC16806366 0.74 Zinc molecule image
ZINC16751280 0.75 Zinc molecule image
ZINC16751290 0.73 Zinc molecule image
ZINC16750368 0.78 Zinc molecule image
ZINC16751277 0.75 Zinc molecule image
ZINC16751287 0.73 Zinc molecule image

Assays:

Name Assay stage Target Activity
GPR35 antagonism primary assay G-protein coupled receptor 35 inactive