EOS39481

Name:
EOS: EOS39481 
CAS:
Synonyms:
Tags:
Compound Library: European Chemical Biology Library
Molecule image

Basic Properties:

Formula: C19H17N3O5
Molecular Weight: 367.36
Rotatable Bond Donors: 4
clogP: 1.82
Topological Polar Surface Area: 96.97
Lipinski's RO5:  MW: 367.36  HBA: 8  HBD: 2  RB: 4  LogP: 1.82
Rule of Three:  MW: 367.36  HBA: 8  HBD: 2  RB: 4  LogP: 1.82

Additional Data:

Other Descriptors

FP3 Fingerprint: 0.21
NHs/OHs: 2
Nitrogens and Oxygens: 8
Aliphatic Carbocycles: 0
Aliphatic Heterocycles: 2
Aliphatic Rings: 2
Aromatic Carbocycles: 2
Aromatic Heterocycles: 0
Aromatic Rings: 2
Heteroatoms: 8
Radical Electrons: 0
Saturated Carbocycles: 0
Saturated Heterocycles: 1
Saturated Rings: 1
Valence Electrons: 138
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: 3
Carbonyl Oxygens, excluding COOH: 3
Thiocarbonyls: 0
C(OH)CCN-Ctert-alkyls/C(OH)CCNcyclics: 0
Imines: 0
Tertiary Amines: 1
Secondary Amines: 2
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: 4
Amidine Groups: 0
Anilines: 1
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: 1
Diazo Groups: 0
Dihydropyridines: 0
Epoxide Rings: 0
Esters: 0
Ether Oxygens (including phenoxy): 2
Furan Rings: 0
Guanidine Groups: 0
Halogens: 0
Hydrazine Groups: 0
Hydrazone Groups: 0
Imidazole Rings: 0
Imide Groups: 1
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: 0
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: 1
BCUT2D - Gasteiger Charge Eigenvalue High: 2.49
BCUT2D - Gasteiger Charge Eigenvalue Low: -2.22
BCUT2D - Crippen Lowgp Eigenvalue High: 2.37
BCUT2D - Crippen Lowgp Eigenvalue Low: -2.42
BCUT2D - Crippen MR Eigenvalue High: 6.10
BCUT2D - Crippen MR Eigenvalue Low: -0.13
BCUT2D - Mass Eigenvalue High: 16.70
BCUT2D - Mass Eigenvalue Low: 9.91
Balaban’s J: 1.52
Bertz CT: 930.20
Chi 0: 19.02
Chi 0n: 14.52
Chi 0v: 14.52
Chi 1: 12.97
Chi 1n: 8.36
Chi 1v: 8.36
Chi 2n: 6.43
Chi 2v: 6.43
Chi 3v: 4.58
Chi 3v: 4.58
Chi 4n: 3.11
Chi 4v: 3.11
Morgan Fingerprint Density (1): 1.15
Morgan Fingerprint Density (2): 1.89
Morgan Fingerprint Density (3): 2.67
CSP3 Fraction: 0.21
Hall Kier Alpha: -3.55
Heavy Atoms: 27.00
Ipc descriptor: 2024225.60
Kappa 1: 16.89
Kappa 2: 6.31
Kappa 3: 2.95
Labute ASA: 154.60
Max ABS Estate Index: 12.92
Max ABS Partial Charge: 0.45
Max Estate Index: 12.92
Max Partial Charge: 0.33
Minimal ABS Estate Index: 0.11
Minimal ABS Partial Charge: 0.33
Minimal State Index: -1.29
Minimal Partial Charge: -0.45
Molar Refractivity: 95.23
Quantitative Estimation of Drug-likeness (QED): 0.80

Structure formats:

Smiles


InChI


SDF


Similar ECBD compounds (2 entries):

ECBD ID Similarity Structure
EOS84446 0.73 Zinc molecule image
EOS55304 0.71 Zinc molecule image

Similar ZINC compounds (364 entries):

ZINC ID Similarity Structure
ZINC23957113 0.75 Zinc molecule image
ZINC23957115 0.75 Zinc molecule image
ZINC5958206 0.76 Zinc molecule image
ZINC12567887 0.72 Zinc molecule image
ZINC12567888 0.72 Zinc molecule image
ZINC5958203 0.76 Zinc molecule image
ZINC13163458 0.73 Zinc molecule image
ZINC14198303 0.72 Zinc molecule image
ZINC9609969 0.79 Zinc molecule image
ZINC23820252 0.82 Zinc molecule image
ZINC13163457 0.73 Zinc molecule image
ZINC9609971 0.79 Zinc molecule image
ZINC14198304 0.72 Zinc molecule image
ZINC23820248 0.82 Zinc molecule image
ZINC22297349 0.79 Zinc molecule image
ZINC22297347 0.79 Zinc molecule image
ZINC23847008 0.78 Zinc molecule image
ZINC9494303 0.73 Zinc molecule image
ZINC25052867 0.73 Zinc molecule image
ZINC9494302 0.73 Zinc molecule image
ZINC23847012 0.78 Zinc molecule image
ZINC25052861 0.73 Zinc molecule image
ZINC8987051 0.79 Zinc molecule image
ZINC8987054 0.79 Zinc molecule image
ZINC103123669 0.71 Zinc molecule image
ZINC103123672 0.71 Zinc molecule image
ZINC7976412 0.73 Zinc molecule image
ZINC4787488 0.71 Zinc molecule image
ZINC4787485 0.71 Zinc molecule image
ZINC4787366 0.74 Zinc molecule image
ZINC5450162 0.78 Zinc molecule image
ZINC6589490 0.75 Zinc molecule image
ZINC4787358 0.74 Zinc molecule image
ZINC9126106 0.7 Zinc molecule image
ZINC6589489 0.75 Zinc molecule image
ZINC9632213 0.72 Zinc molecule image
ZINC9632214 0.72 Zinc molecule image
ZINC3416043 0.7 Zinc molecule image
ZINC5450163 0.78 Zinc molecule image
ZINC9126105 0.7 Zinc molecule image
ZINC6392458 0.7 Zinc molecule image
ZINC3416046 0.7 Zinc molecule image
ZINC6589487 0.75 Zinc molecule image
ZINC4787362 0.74 Zinc molecule image
ZINC4787369 0.74 Zinc molecule image
ZINC6392467 0.7 Zinc molecule image
ZINC6589488 0.75 Zinc molecule image
ZINC5450038 0.77 Zinc molecule image
ZINC5450039 0.77 Zinc molecule image
ZINC4787840 0.71 Zinc molecule image
ZINC3600414 0.7 Zinc molecule image
ZINC4787832 0.71 Zinc molecule image
ZINC4787837 0.71 Zinc molecule image
ZINC4787843 0.71 Zinc molecule image
ZINC3600413 0.7 Zinc molecule image
ZINC13164025 0.7 Zinc molecule image
ZINC13164026 0.7 Zinc molecule image
ZINC3430113 0.78 Zinc molecule image
ZINC3430109 0.78 Zinc molecule image
ZINC11317118 0.73 Zinc molecule image
ZINC3593347 0.77 Zinc molecule image
ZINC11317123 0.73 Zinc molecule image
ZINC5450053 0.71 Zinc molecule image
ZINC5450052 0.71 Zinc molecule image
ZINC3593345 0.77 Zinc molecule image
ZINC7061428 1.0 Zinc molecule image
ZINC7289677 0.73 Zinc molecule image
ZINC7289680 0.73 Zinc molecule image
ZINC7061430 1.0 Zinc molecule image
ZINC3430138 0.72 Zinc molecule image
ZINC7289679 0.73 Zinc molecule image
ZINC3430127 0.76 Zinc molecule image
ZINC3280602 0.77 Zinc molecule image
ZINC3406731 0.77 Zinc molecule image
ZINC7289675 0.73 Zinc molecule image
ZINC3430131 0.76 Zinc molecule image
ZINC5450075 0.73 Zinc molecule image
ZINC7289772 0.74 Zinc molecule image
ZINC5450074 0.73 Zinc molecule image
ZINC7289769 0.74 Zinc molecule image
ZINC13039973 0.71 Zinc molecule image
ZINC13039972 0.71 Zinc molecule image
ZINC5450229 0.72 Zinc molecule image
ZINC4787499 0.72 Zinc molecule image
ZINC5450228 0.72 Zinc molecule image
ZINC4787497 0.72 Zinc molecule image
ZINC7976408 0.73 Zinc molecule image
ZINC6589038 0.77 Zinc molecule image
ZINC3350863 0.7 Zinc molecule image
ZINC4787340 0.78 Zinc molecule image
ZINC5450175 0.7 Zinc molecule image
ZINC5450174 0.7 Zinc molecule image
ZINC9284682 0.81 Zinc molecule image
ZINC9284681 0.81 Zinc molecule image
ZINC23820176 0.82 Zinc molecule image
ZINC9168385 0.73 Zinc molecule image
ZINC11317465 0.71 Zinc molecule image
ZINC89914327 0.76 Zinc molecule image
ZINC9168389 0.73 Zinc molecule image
ZINC23845666 0.8 Zinc molecule image
ZINC89914328 0.76 Zinc molecule image
ZINC23820172 0.82 Zinc molecule image
ZINC23845663 0.8 Zinc molecule image
ZINC11317460 0.71 Zinc molecule image
ZINC19045900 0.71 Zinc molecule image
ZINC13164616 0.72 Zinc molecule image
ZINC9704009 0.73 Zinc molecule image
ZINC9877200 0.71 Zinc molecule image
ZINC13164617 0.72 Zinc molecule image
ZINC19045904 0.71 Zinc molecule image
ZINC13164615 0.72 Zinc molecule image
ZINC13119822 0.71 Zinc molecule image
ZINC13149018 0.73 Zinc molecule image
ZINC13164614 0.72 Zinc molecule image
ZINC12569600 0.74 Zinc molecule image
ZINC12569599 0.74 Zinc molecule image
ZINC14117826 0.71 Zinc molecule image
ZINC9127804 0.7 Zinc molecule image
ZINC9127805 0.7 Zinc molecule image
ZINC9515689 0.77 Zinc molecule image
ZINC9798746 0.71 Zinc molecule image
ZINC11317387 0.7 Zinc molecule image
ZINC9798742 0.71 Zinc molecule image
ZINC9798740 0.71 Zinc molecule image
ZINC14117823 0.71 Zinc molecule image
ZINC9515691 0.77 Zinc molecule image
ZINC11317391 0.7 Zinc molecule image
ZINC3444457 0.78 Zinc molecule image
ZINC3444454 0.78 Zinc molecule image
ZINC9798735 0.71 Zinc molecule image
ZINC15517417 0.77 Zinc molecule image
ZINC13164769 0.78 Zinc molecule image
ZINC15517414 0.77 Zinc molecule image
ZINC13164770 0.78 Zinc molecule image
ZINC13014305 0.7 Zinc molecule image
ZINC9866471 0.74 Zinc molecule image
ZINC9608473 0.7 Zinc molecule image
ZINC9866500 0.74 Zinc molecule image
ZINC9866482 0.74 Zinc molecule image
ZINC9608468 0.7 Zinc molecule image
ZINC3593342 0.73 Zinc molecule image
ZINC9125984 0.71 Zinc molecule image
ZINC9866491 0.74 Zinc molecule image
ZINC9125985 0.71 Zinc molecule image
ZINC3593343 0.73 Zinc molecule image
ZINC9168381 0.7 Zinc molecule image
ZINC23820015 0.72 Zinc molecule image
ZINC23820019 0.72 Zinc molecule image
ZINC5450191 0.83 Zinc molecule image
ZINC13138711 0.72 Zinc molecule image
ZINC5450190 0.83 Zinc molecule image
ZINC9509574 0.72 Zinc molecule image
ZINC9666336 0.76 Zinc molecule image
ZINC9666335 0.76 Zinc molecule image
ZINC9144607 0.77 Zinc molecule image
ZINC9144609 0.77 Zinc molecule image
ZINC11315751 0.7 Zinc molecule image
ZINC11315744 0.7 Zinc molecule image
ZINC7124855 0.7 Zinc molecule image
ZINC3353430 0.72 Zinc molecule image
ZINC3353432 0.72 Zinc molecule image
ZINC7124847 0.7 Zinc molecule image
ZINC5450069 0.73 Zinc molecule image
ZINC3406728 0.77 Zinc molecule image
ZINC3430141 0.72 Zinc molecule image
ZINC5450068 0.73 Zinc molecule image
ZINC3280600 0.77 Zinc molecule image
ZINC40116864 0.73 Zinc molecule image
ZINC40116866 0.73 Zinc molecule image
ZINC9494119 0.71 Zinc molecule image
ZINC5937748 0.7 Zinc molecule image
ZINC4787974 0.8 Zinc molecule image
ZINC4787976 0.8 Zinc molecule image
ZINC5937749 0.7 Zinc molecule image
ZINC5450192 0.76 Zinc molecule image
ZINC5450193 0.76 Zinc molecule image
ZINC9494118 0.71 Zinc molecule image
ZINC9365719 0.71 Zinc molecule image
ZINC9365721 0.71 Zinc molecule image
ZINC3456850 0.73 Zinc molecule image
ZINC1754767 0.73 Zinc molecule image
ZINC3430144 0.75 Zinc molecule image
ZINC3430146 0.75 Zinc molecule image
ZINC36722469 0.75 Zinc molecule image
ZINC4787697 0.75 Zinc molecule image
ZINC36722470 0.75 Zinc molecule image
ZINC4787693 0.75 Zinc molecule image
ZINC6589892 0.73 Zinc molecule image
ZINC19055590 0.7 Zinc molecule image
ZINC14358367 0.74 Zinc molecule image
ZINC3350868 0.71 Zinc molecule image
ZINC6394016 0.88 Zinc molecule image
ZINC6581105 0.74 Zinc molecule image
ZINC5450177 0.7 Zinc molecule image
ZINC6551827 0.82 Zinc molecule image
ZINC6581114 0.74 Zinc molecule image
ZINC12750295 0.7 Zinc molecule image
ZINC6394014 0.88 Zinc molecule image
ZINC13039689 0.76 Zinc molecule image
ZINC6551828 0.82 Zinc molecule image
ZINC13039688 0.76 Zinc molecule image
ZINC12750301 0.7 Zinc molecule image
ZINC3350866 0.71 Zinc molecule image
ZINC5450176 0.7 Zinc molecule image
ZINC13039496 0.78 Zinc molecule image
ZINC13039495 0.78 Zinc molecule image
ZINC6589037 0.77 Zinc molecule image
ZINC3350864 0.7 Zinc molecule image
ZINC23819893 0.82 Zinc molecule image
ZINC23819890 0.82 Zinc molecule image
ZINC4787336 0.78 Zinc molecule image
ZINC7837213 0.74 Zinc molecule image
ZINC7837211 0.74 Zinc molecule image
ZINC14139396 0.72 Zinc molecule image
ZINC5450205 0.73 Zinc molecule image
ZINC4787396 0.71 Zinc molecule image
ZINC14135315 0.77 Zinc molecule image
ZINC14139397 0.72 Zinc molecule image
ZINC14135317 0.77 Zinc molecule image
ZINC5450204 0.73 Zinc molecule image
ZINC4787398 0.71 Zinc molecule image
ZINC7579559 0.73 Zinc molecule image
ZINC7579557 0.73 Zinc molecule image
ZINC4788058 0.76 Zinc molecule image
ZINC4788056 0.76 Zinc molecule image
ZINC3460374 0.72 Zinc molecule image
ZINC3460376 0.72 Zinc molecule image
ZINC13164768 0.71 Zinc molecule image
ZINC13164767 0.71 Zinc molecule image
ZINC5450036 0.72 Zinc molecule image
ZINC5450037 0.72 Zinc molecule image
ZINC4787509 0.76 Zinc molecule image
ZINC4787554 0.75 Zinc molecule image
ZINC4787556 0.75 Zinc molecule image
ZINC4787513 0.76 Zinc molecule image
ZINC5450164 0.75 Zinc molecule image
ZINC5450165 0.75 Zinc molecule image
ZINC6589893 0.73 Zinc molecule image
ZINC5450070 0.79 Zinc molecule image
ZINC5450071 0.79 Zinc molecule image
ZINC12568862 0.72 Zinc molecule image
ZINC12568861 0.72 Zinc molecule image
ZINC9548999 0.71 Zinc molecule image
ZINC9548998 0.71 Zinc molecule image
ZINC14157386 0.7 Zinc molecule image
ZINC9909154 0.77 Zinc molecule image
ZINC12785262 0.7 Zinc molecule image
ZINC9866541 0.7 Zinc molecule image
ZINC21238427 0.72 Zinc molecule image
ZINC13164760 0.76 Zinc molecule image
ZINC8719464 0.77 Zinc molecule image
ZINC9909159 0.77 Zinc molecule image
ZINC8719465 0.77 Zinc molecule image
ZINC13164759 0.76 Zinc molecule image
ZINC21238442 0.72 Zinc molecule image
ZINC21238437 0.72 Zinc molecule image
ZINC9609938 0.81 Zinc molecule image
ZINC9092732 0.7 Zinc molecule image
ZINC12785257 0.7 Zinc molecule image
ZINC23957102 0.78 Zinc molecule image
ZINC9866509 0.7 Zinc molecule image
ZINC14157390 0.7 Zinc molecule image
ZINC13164762 0.76 Zinc molecule image
ZINC23957099 0.78 Zinc molecule image
ZINC9092733 0.7 Zinc molecule image
ZINC12785272 0.7 Zinc molecule image
ZINC9609941 0.81 Zinc molecule image
ZINC9866533 0.7 Zinc molecule image
ZINC12785266 0.7 Zinc molecule image
ZINC9866523 0.7 Zinc molecule image
ZINC13164761 0.76 Zinc molecule image
ZINC21238432 0.72 Zinc molecule image
ZINC9670318 0.76 Zinc molecule image
ZINC9494259 0.79 Zinc molecule image
ZINC9670317 0.76 Zinc molecule image
ZINC9494256 0.79 Zinc molecule image
ZINC10220077 0.7 Zinc molecule image
ZINC23936639 0.73 Zinc molecule image
ZINC23936860 0.76 Zinc molecule image
ZINC9585504 0.77 Zinc molecule image
ZINC9585507 0.77 Zinc molecule image
ZINC8705285 0.71 Zinc molecule image
ZINC23936630 0.73 Zinc molecule image
ZINC9412874 0.77 Zinc molecule image
ZINC8705284 0.71 Zinc molecule image
ZINC23936636 0.73 Zinc molecule image
ZINC10220078 0.7 Zinc molecule image
ZINC9609946 0.82 Zinc molecule image
ZINC23936863 0.76 Zinc molecule image
ZINC9609943 0.82 Zinc molecule image
ZINC23936633 0.73 Zinc molecule image
ZINC9412866 0.77 Zinc molecule image
ZINC19055593 0.7 Zinc molecule image
ZINC12876655 0.74 Zinc molecule image
ZINC12876661 0.74 Zinc molecule image
ZINC12876645 0.74 Zinc molecule image
ZINC14358366 0.74 Zinc molecule image
ZINC19055597 0.7 Zinc molecule image
ZINC12876667 0.74 Zinc molecule image
ZINC19055600 0.7 Zinc molecule image
ZINC2616267 0.7 Zinc molecule image
ZINC2616266 0.7 Zinc molecule image
ZINC4787525 0.76 Zinc molecule image
ZINC4787522 0.76 Zinc molecule image
ZINC5450043 0.74 Zinc molecule image
ZINC5450042 0.74 Zinc molecule image
ZINC6392431 0.73 Zinc molecule image
ZINC6393946 0.71 Zinc molecule image
ZINC7653714 0.85 Zinc molecule image
ZINC6393953 0.71 Zinc molecule image
ZINC6392423 0.73 Zinc molecule image
ZINC2662938 0.7 Zinc molecule image
ZINC3350345 0.71 Zinc molecule image
ZINC3334578 0.85 Zinc molecule image
ZINC3334575 0.85 Zinc molecule image
ZINC7653716 0.85 Zinc molecule image
ZINC6394025 0.74 Zinc molecule image
ZINC2662937 0.7 Zinc molecule image
ZINC3350347 0.71 Zinc molecule image
ZINC6394017 0.74 Zinc molecule image
ZINC13039694 0.77 Zinc molecule image
ZINC12769240 0.7 Zinc molecule image
ZINC5450056 0.7 Zinc molecule image
ZINC5450057 0.7 Zinc molecule image
ZINC12769246 0.7 Zinc molecule image
ZINC13039695 0.77 Zinc molecule image
ZINC3430118 0.83 Zinc molecule image
ZINC3430114 0.83 Zinc molecule image
ZINC3461589 0.73 Zinc molecule image
ZINC58209084 0.72 Zinc molecule image
ZINC58209083 0.72 Zinc molecule image
ZINC3461584 0.73 Zinc molecule image
ZINC8965551 0.7 Zinc molecule image
ZINC9092624 0.78 Zinc molecule image
ZINC23820008 0.72 Zinc molecule image
ZINC9092625 0.78 Zinc molecule image
ZINC23820011 0.72 Zinc molecule image
ZINC8965550 0.7 Zinc molecule image
ZINC12268389 0.79 Zinc molecule image
ZINC9798728 0.84 Zinc molecule image
ZINC9798731 0.84 Zinc molecule image
ZINC12268394 0.79 Zinc molecule image
ZINC9796371 0.71 Zinc molecule image
ZINC9796376 0.71 Zinc molecule image
ZINC23104520 0.72 Zinc molecule image
ZINC9703653 0.7 Zinc molecule image
ZINC14140178 0.71 Zinc molecule image
ZINC9703654 0.7 Zinc molecule image
ZINC14140177 0.71 Zinc molecule image
ZINC9126093 0.73 Zinc molecule image
ZINC9647878 0.78 Zinc molecule image
ZINC9594340 0.77 Zinc molecule image
ZINC9647877 0.78 Zinc molecule image
ZINC9594335 0.77 Zinc molecule image
ZINC23104523 0.72 Zinc molecule image
ZINC9126094 0.73 Zinc molecule image
ZINC9497987 0.7 Zinc molecule image
ZINC9497990 0.7 Zinc molecule image
ZINC9092690 0.77 Zinc molecule image
ZINC9092691 0.77 Zinc molecule image
ZINC5450110 0.7 Zinc molecule image
ZINC5450111 0.7 Zinc molecule image
ZINC4787683 0.7 Zinc molecule image
ZINC4787679 0.7 Zinc molecule image

Assays:

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