EOS33098

Name:
EOS:	EOS33098
CAS:
Synonyms:
Tags:
Compound Library:	European Chemical Biology Library

Basic Properties:

Formula:	C17H20FN3O4
Molecular Weight:	349.36
Rotatable Bond Donors:	4
clogP:	2.50
Topological Polar Surface Area:	77.69
Lipinski's RO5:	MW: 349.36 HBA: 7 HBD: 0 RB: 4 LogP: 2.50
Rule of Three:	MW: 349.36 HBA: 7 HBD: 0 RB: 4 LogP: 2.50

Additional Data:

Other Descriptors

Feature	Value
FP3 Fingerprint:	0.47
NHs/OHs:	0
Nitrogens and Oxygens:	7
Aliphatic Carbocycles:	0
Aliphatic Heterocycles:	1
Aliphatic Rings:	1
Aromatic Carbocycles:	1
Aromatic Heterocycles:	1
Aromatic Rings:	2
Heteroatoms:	8
Radical Electrons:	0
Saturated Carbocycles:	0
Saturated Heterocycles:	1
Saturated Rings:	1
Valence Electrons:	134
Rings:	3
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:	2
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:	3
Secondary Amines:	0
Primary Amines:	0
Hydroxylamine Groups:	0
XCCNR Groups:	0
Tert-alicyclic Amines (no heteroatoms, not quinine-like bridged N):	1
H-pyrrole nitrogens:	0
Thiol groups:	0
Aldehydes:	0
Alkyl Carbamates (subject to hydrolysis):	0
Alkyl Halides:	1
Allylic Oxidation Sites excluding Steroid Dienone:	0
Amides:	1
Amidine Groups:	0
Anilines:	0
Aryl Methyl Sites for Hydroxylation:	1
Azide Groups:	0
Azo Groups:	0
Barbiturate Groups:	0
Benzene Rings:	1
Benzodiazepines with no additional Fused Rings:	0
Bicyclic:	0
Diazo Groups:	0
Dihydropyridines:	0
Epoxide Rings:	0
Esters:	0
Ether Oxygens (including phenoxy):	2
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:	2
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:	1
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:	2.44
BCUT2D - Gasteiger Charge Eigenvalue Low:	-2.35
BCUT2D - Crippen Lowgp Eigenvalue High:	2.37
BCUT2D - Crippen Lowgp Eigenvalue Low:	-2.46
BCUT2D - Crippen MR Eigenvalue High:	5.98
BCUT2D - Crippen MR Eigenvalue Low:	0.02
BCUT2D - Mass Eigenvalue High:	19.15
BCUT2D - Mass Eigenvalue Low:	9.94
Balaban’s J:	1.88
Bertz CT:	779.00
Chi 0:	18.03
Chi 0n:	14.41
Chi 0v:	14.41
Chi 1:	11.98
Chi 1n:	7.98
Chi 1v:	7.98
Chi 2n:	5.98
Chi 2v:	5.98
Chi 3v:	4.27
Chi 3v:	4.27
Chi 4n:	3.06
Chi 4v:	3.06
Morgan Fingerprint Density (1):	1.36
Morgan Fingerprint Density (2):	2.16
Morgan Fingerprint Density (3):	2.80
CSP3 Fraction:	0.47
Hall Kier Alpha:	-2.64
Heavy Atoms:	25.00
Ipc descriptor:	569207.25
Kappa 1:	17.19
Kappa 2:	6.70
Kappa 3:	3.16
Labute ASA:	144.27
Max ABS Estate Index:	15.33
Max ABS Partial Charge:	0.49
Max Estate Index:	15.33
Max Partial Charge:	0.27
Minimal ABS Estate Index:	0.08
Minimal ABS Partial Charge:	0.27
Minimal State Index:	-1.85
Minimal Partial Charge:	-0.49
Molar Refractivity:	86.50
Quantitative Estimation of Drug-likeness (QED):	0.84

External Databases

DB
PubChem (132441042)
MolPort (MolPort-046-053-856)

Structure formats:

Smiles

InChI

SDF

EOS33098
     RDKit          3D

25 27  0  0  0  0  0  0  0  0999 V2000
   -4.5767   -1.2830   -2.3929 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.6887   -0.3502   -1.7862 O   0  0  0  0  0  0  0  0  0  0  0  0
   -3.3003   -0.7551   -0.5346 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.7685   -1.9368    0.0493 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.3271   -2.3388    1.3069 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3926   -1.5692    1.9887 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.9041   -0.3981    1.4088 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9357    0.3725    2.2082 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3016    0.8284    3.2882 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.3550    0.5007    1.7265 N   0  0  0  0  0  0  0  0  0  0  0  0
    1.2660    1.3356    2.4784 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.6789    1.3112    1.9288 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.0567   -0.0867    1.4857 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.1591   -0.5913    0.3661 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.0352   -1.9443    0.5365 F   0  0  0  0  0  0  0  0  0  0  0  0
    2.7581   -0.2835   -0.9574 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.4673    0.7557   -1.3501 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.6938    0.4636   -2.6682 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.4670    1.3451   -3.5528 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.1555   -0.6811   -3.0991 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.5286   -1.1863   -1.9579 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.7648    0.0234    0.4145 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3790    0.0420    0.1654 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.8667    1.2072   -0.3462 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.9449    2.0663   -0.7065 C   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  2  3  1  0
  3  4  2  0
  4  5  1  0
  5  6  2  0
  6  7  1  0
  7  8  1  0
  8  9  2  0
  8 10  1  0
 10 11  1  0
 11 12  1  0
 12 13  1  0
 13 14  1  0
 14 15  1  0
 14 16  1  0
 16 17  2  0
 17 18  1  0
 18 19  1  0
 18 20  2  0
 20 21  1  0
 14 22  1  0
  7 23  2  0
 23 24  1  0
 24 25  1  0
 23  3  1  0
 22 10  1  0
 21 16  1  0
M  END

$$$$

Similar ECBD compounds (4 entries):

ECBD ID	Similarity	SDF
EOS33102	0.75	EOS33102 RDKit 3D 24 26 0 0 0 0 0 0 0 0999 V2000 -2.3690 2.9043 2.3183 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.9032 1.7599 1.6104 O 0 0 0 0 0 0 0 0 0 0 0 0 -2.8999 1.1662 0.8842 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.1823 1.7121 0.7797 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.1786 1.0633 0.0538 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.8954 -0.1468 -0.5688 C 0 0 0 0 0 0 0 0 0 0 0 0 -6.1210 -0.9465 -1.4624 Cl 0 0 0 0 0 0 0 0 0 0 0 0 -3.6282 -0.7088 -0.4818 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.6280 -0.0427 0.2291 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.3234 -0.7256 0.3064 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.2885 -1.8707 0.7488 O 0 0 0 0 0 0 0 0 0 0 0 0 -0.2006 -0.0624 -0.1530 N 0 0 0 0 0 0 0 0 0 0 0 0 -0.2579 1.1750 -0.9023 C 0 0 0 0 0 0 0 0 0 0 0 0 0.8812 2.1081 -0.5389 C 0 0 0 0 0 0 0 0 0 0 0 0 2.1949 1.4115 -0.2363 C 0 0 0 0 0 0 0 0 0 0 0 0 2.2404 -0.0324 -0.7027 C 0 0 0 0 0 0 0 0 0 0 0 0 2.1543 -0.0231 -2.0694 F 0 0 0 0 0 0 0 0 0 0 0 0 3.4907 -0.6841 -0.2487 C 0 0 0 0 0 0 0 0 0 0 0 0 4.2210 -0.4710 0.8275 N 0 0 0 0 0 0 0 0 0 0 0 0 5.2199 -1.3955 0.6810 C 0 0 0 0 0 0 0 0 0 0 0 0 6.3064 -1.5486 1.6574 C 0 0 0 0 0 0 0 0 0 0 0 0 5.1370 -2.1556 -0.4149 N 0 0 0 0 0 0 0 0 0 0 0 0 3.9811 -1.6842 -1.0413 O 0 0 0 0 0 0 0 0 0 0 0 0 1.0493 -0.8025 -0.1500 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 1 0 3 4 2 0 4 5 1 0 5 6 2 0 6 7 1 0 6 8 1 0 8 9 2 0 9 10 1 0 10 11 2 0 10 12 1 0 12 13 1 0 13 14 1 0 14 15 1 0 15 16 1 0 16 17 1 0 16 18 1 0 18 19 2 0 19 20 1 0 20 21 1 0 20 22 2 0 22 23 1 0 16 24 1 0 9 3 1 0 24 12 1 0 23 18 1 0 M END $$$$
EOS33100	0.7	EOS33100 RDKit 3D 23 25 0 0 0 0 0 0 0 0999 V2000 6.8411 -0.2195 0.3584 C 0 0 0 0 0 0 0 0 0 0 0 0 5.3940 -0.4013 0.5323 C 0 0 0 0 0 0 0 0 0 0 0 0 4.8224 -0.4536 1.7394 N 0 0 0 0 0 0 0 0 0 0 0 0 3.4702 -0.6277 1.4428 O 0 0 0 0 0 0 0 0 0 0 0 0 3.3720 -0.6635 0.0777 C 0 0 0 0 0 0 0 0 0 0 0 0 2.0125 -0.8482 -0.4847 C 0 0 0 0 0 0 0 0 0 0 0 0 2.0419 -0.8827 -1.8542 F 0 0 0 0 0 0 0 0 0 0 0 0 1.4240 -2.1665 -0.0141 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.0137 -2.3775 -0.4511 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.7307 -1.1135 -0.8865 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.3022 0.0390 -0.1202 N 0 0 0 0 0 0 0 0 0 0 0 0 -1.1452 1.0801 0.2254 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.7312 2.1646 0.6259 O 0 0 0 0 0 0 0 0 0 0 0 0 -2.5991 0.8976 0.0971 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.3233 1.9088 -0.5332 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.7062 1.7974 -0.6327 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.6010 3.0231 -1.4306 Cl 0 0 0 0 0 0 0 0 0 0 0 0 -5.3731 0.6979 -0.0984 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.6501 -0.2989 0.5518 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.2655 -0.1922 0.6537 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.5963 -1.1489 1.3126 F 0 0 0 0 0 0 0 0 0 0 0 0 1.1241 0.3158 -0.0646 C 0 0 0 0 0 0 0 0 0 0 0 0 4.5354 -0.5302 -0.5249 N 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 2 0 3 4 1 0 4 5 1 0 5 6 1 0 6 7 1 0 6 8 1 0 8 9 1 0 9 10 1 0 10 11 1 0 11 12 1 0 12 13 2 0 12 14 1 0 14 15 2 0 15 16 1 0 16 17 1 0 16 18 2 0 18 19 1 0 19 20 2 0 20 21 1 0 11 22 1 0 5 23 2 0 23 2 1 0 22 6 1 0 20 14 1 0 M END $$$$
EOS33091	0.74	EOS33091 RDKit 3D 25 27 0 0 0 0 0 0 0 0999 V2000 6.6536 0.7902 0.4682 C 0 0 0 0 0 0 0 0 0 0 0 0 6.1250 -0.2426 1.2892 O 0 0 0 0 0 0 0 0 0 0 0 0 4.8052 -0.4662 0.9556 C 0 0 0 0 0 0 0 0 0 0 0 0 4.1689 -1.4834 1.6512 C 0 0 0 0 0 0 0 0 0 0 0 0 2.8354 -1.7319 1.3573 C 0 0 0 0 0 0 0 0 0 0 0 0 2.1892 -0.9558 0.4012 C 0 0 0 0 0 0 0 0 0 0 0 0 0.7906 -1.2702 0.0934 C 0 0 0 0 0 0 0 0 0 0 0 0 0.5342 -2.3677 -0.3934 O 0 0 0 0 0 0 0 0 0 0 0 0 -0.1818 -0.3368 0.4096 N 0 0 0 0 0 0 0 0 0 0 0 0 0.1192 0.9767 0.9479 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.1191 1.8142 1.1880 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.1950 0.9785 1.8452 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.6385 -0.1779 0.9622 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.9496 -1.2122 1.8040 F 0 0 0 0 0 0 0 0 0 0 0 0 -3.8299 0.2245 0.1669 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.0862 -0.1613 0.2512 N 0 0 0 0 0 0 0 0 0 0 0 0 -5.6814 0.5749 -0.7359 C 0 0 0 0 0 0 0 0 0 0 0 0 -7.1156 0.4795 -1.0374 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.8641 1.3923 -1.4074 N 0 0 0 0 0 0 0 0 0 0 0 0 -3.6252 1.1635 -0.8089 O 0 0 0 0 0 0 0 0 0 0 0 0 -1.5429 -0.6537 0.0123 C 0 0 0 0 0 0 0 0 0 0 0 0 2.9116 0.0236 -0.2668 C 0 0 0 0 0 0 0 0 0 0 0 0 2.2706 0.7673 -1.2352 O 0 0 0 0 0 0 0 0 0 0 0 0 3.2153 1.5769 -1.9239 C 0 0 0 0 0 0 0 0 0 0 0 0 4.2108 0.2975 0.0075 N 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 1 0 3 4 2 0 4 5 1 0 5 6 2 0 6 7 1 0 7 8 2 0 7 9 1 0 9 10 1 0 10 11 1 0 11 12 1 0 12 13 1 0 13 14 1 0 13 15 1 0 15 16 2 0 16 17 1 0 17 18 1 0 17 19 2 0 19 20 1 0 13 21 1 0 6 22 1 0 22 23 1 0 23 24 1 0 22 25 2 0 25 3 1 0 21 9 1 0 20 15 1 0 M END $$$$
EOS33103	0.74	EOS33103 RDKit 3D 24 26 0 0 0 0 0 0 0 0999 V2000 -3.9574 -4.4373 -0.2992 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.5726 -4.1731 -0.1048 O 0 0 0 0 0 0 0 0 0 0 0 0 -2.2255 -2.9516 -0.6106 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.8822 -2.6023 -0.4996 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.4367 -1.3760 -0.9859 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.3348 -0.4796 -1.5706 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.8156 0.7986 -2.1197 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.2195 1.1820 -3.2147 O 0 0 0 0 0 0 0 0 0 0 0 0 0.1149 1.5117 -1.3794 N 0 0 0 0 0 0 0 0 0 0 0 0 0.5445 2.7822 -1.9171 C 0 0 0 0 0 0 0 0 0 0 0 0 2.0099 3.0512 -1.6325 C 0 0 0 0 0 0 0 0 0 0 0 0 2.5119 2.4770 -0.3210 C 0 0 0 0 0 0 0 0 0 0 0 0 1.4036 2.1739 0.6702 C 0 0 0 0 0 0 0 0 0 0 0 0 0.8005 3.3556 1.0041 F 0 0 0 0 0 0 0 0 0 0 0 0 1.9675 1.5048 1.8651 C 0 0 0 0 0 0 0 0 0 0 0 0 2.0702 0.2228 2.1515 N 0 0 0 0 0 0 0 0 0 0 0 0 2.6870 0.2532 3.3736 C 0 0 0 0 0 0 0 0 0 0 0 0 3.0230 -0.9656 4.1221 C 0 0 0 0 0 0 0 0 0 0 0 0 2.9673 1.4738 3.8397 N 0 0 0 0 0 0 0 0 0 0 0 0 2.4874 2.3161 2.8341 O 0 0 0 0 0 0 0 0 0 0 0 0 0.3512 1.2702 0.0375 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.6845 -0.8322 -1.6988 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.6899 0.0692 -2.3324 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.1200 -2.0656 -1.2115 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 1 0 3 4 2 0 4 5 1 0 5 6 2 0 6 7 1 0 7 8 2 0 7 9 1 0 9 10 1 0 10 11 1 0 11 12 1 0 12 13 1 0 13 14 1 0 13 15 1 0 15 16 2 0 16 17 1 0 17 18 1 0 17 19 2 0 19 20 1 0 13 21 1 0 6 22 1 0 22 23 1 0 22 24 2 0 24 3 1 0 21 9 1 0 20 15 1 0 M END $$$$

Similar ZINC compounds (1 entries):

	ZINC ID	Similarity	Structure	SDF
	ZINC112685793	0.71		ZINC112685793 RDKit 3D 20 21 0 0 0 0 0 0 0 0999 V2000 -5.1489 0.5997 1.1297 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.8192 0.2757 1.5210 O 0 0 0 0 0 0 0 0 0 0 0 0 -3.0429 -0.0763 0.4464 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.5403 -0.1074 -0.8605 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.7165 -0.4386 -1.9330 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.3755 -0.7269 -1.7105 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.8636 -0.6805 -0.4136 C 0 0 0 0 0 0 0 0 0 0 0 0 0.5568 -1.0351 -0.2568 C 0 0 0 0 0 0 0 0 0 0 0 0 0.9028 -2.1810 -0.5329 O 0 0 0 0 0 0 0 0 0 0 0 0 1.4347 -0.0457 0.1467 N 0 0 0 0 0 0 0 0 0 0 0 0 1.0118 1.2902 0.5172 C 0 0 0 0 0 0 0 0 0 0 0 0 2.1640 2.1619 0.9703 C 0 0 0 0 0 0 0 0 0 0 0 0 3.3337 2.0358 0.0195 C 0 0 0 0 0 0 0 0 0 0 0 0 3.8062 0.6015 -0.1379 C 0 0 0 0 0 0 0 0 0 0 0 0 5.0978 0.4323 0.6297 C 0 0 0 0 0 0 0 0 0 0 0 0 4.0909 0.3434 -1.6005 C 0 0 0 0 0 0 0 0 0 0 0 0 2.8094 -0.4261 0.3724 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.6941 -0.3935 0.6781 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.1373 -0.3698 1.9312 O 0 0 0 0 0 0 0 0 0 0 0 0 -1.8697 -1.2595 2.7689 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 1 0 3 4 2 0 4 5 1 0 5 6 2 0 6 7 1 0 7 8 1 0 8 9 2 0 8 10 1 0 10 11 1 0 11 12 1 0 12 13 1 0 13 14 1 0 14 15 1 0 14 16 1 0 14 17 1 0 7 18 2 0 18 19 1 0 19 20 1 0 18 3 1 0 17 10 1 0 M END $$$$

Assays:

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

Sections: