EOS3914

Name:
EOS:	EOS3914
CAS:
Synonyms:
Tags:
Compound Library:	European Chemical Biology Library

Basic Properties:

Formula:	C22H24N4O2
Molecular Weight:	376.46
Rotatable Bond Donors:	1
clogP:	3.06
Topological Polar Surface Area:	70.39
Lipinski's RO5:	MW: 376.46 HBA: 6 HBD: 2 RB: 1 LogP: 3.06
Rule of Three:	MW: 376.46 HBA: 6 HBD: 2 RB: 1 LogP: 3.06

Additional Data:

Other Descriptors

Feature	Value
FP3 Fingerprint:	0.36
NHs/OHs:	2
Nitrogens and Oxygens:	6
Aliphatic Carbocycles:	1
Aliphatic Heterocycles:	1
Aliphatic Rings:	2
Aromatic Carbocycles:	2
Aromatic Heterocycles:	1
Aromatic Rings:	3
Heteroatoms:	6
Radical Electrons:	0
Saturated Carbocycles:	0
Saturated Heterocycles:	1
Saturated Rings:	1
Valence Electrons:	144
Rings:	5
Aliphatic Carboxylic Acids:	0
Aliphatic Hydroxyl Groups:	1
Aliphatic Hydroxyl Groups Excluding Tert-OH:	1
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:	1
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:	0
Allylic Oxidation Sites excluding Steroid Dienone:	0
Amides:	2
Amidine Groups:	0
Anilines:	1
Aryl Methyl Sites for Hydroxylation:	1
Azide Groups:	0
Azo Groups:	0
Barbiturate Groups:	0
Benzene Rings:	2
Benzodiazepines with no additional Fused Rings:	0
Bicyclic:	3
Diazo Groups:	0
Dihydropyridines:	0
Epoxide Rings:	0
Esters:	0
Ether Oxygens (including phenoxy):	0
Furan Rings:	0
Guanidine Groups:	0
Halogens:	0
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:	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:	0
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:	1
BCUT2D - Gasteiger Charge Eigenvalue High:	2.48
BCUT2D - Gasteiger Charge Eigenvalue Low:	-2.42
BCUT2D - Crippen Lowgp Eigenvalue High:	2.46
BCUT2D - Crippen Lowgp Eigenvalue Low:	-2.50
BCUT2D - Crippen MR Eigenvalue High:	5.92
BCUT2D - Crippen MR Eigenvalue Low:	0.05
BCUT2D - Mass Eigenvalue High:	16.27
BCUT2D - Mass Eigenvalue Low:	9.72
Balaban’s J:	1.29
Bertz CT:	1049.63
Chi 0:	19.30
Chi 0n:	15.93
Chi 0v:	15.93
Chi 1:	13.57
Chi 1n:	9.81
Chi 1v:	9.81
Chi 2n:	7.99
Chi 2v:	7.99
Chi 3v:	6.55
Chi 3v:	6.55
Chi 4n:	4.92
Chi 4v:	4.92
Morgan Fingerprint Density (1):	1.21
Morgan Fingerprint Density (2):	2.00
Morgan Fingerprint Density (3):	2.82
CSP3 Fraction:	0.36
Hall Kier Alpha:	-2.86
Heavy Atoms:	28.00
Ipc descriptor:	4644127.00
Kappa 1:	17.25
Kappa 2:	6.34
Kappa 3:	2.59
Labute ASA:	163.32
Max ABS Estate Index:	12.77
Max ABS Partial Charge:	0.39
Max Estate Index:	12.77
Max Partial Charge:	0.32
Minimal ABS Estate Index:	0.08
Minimal ABS Partial Charge:	0.32
Minimal State Index:	-0.36
Minimal Partial Charge:	-0.39
Molar Refractivity:	108.37
Quantitative Estimation of Drug-likeness (QED):	0.69

External Databases

DB
PubChem (72892190)
Mcule (MCULE-5229865019)
MolPort (MolPort-029-897-766)

Structure formats:

Smiles

InChI

SDF

EOS3914
     RDKit          3D

28 32  0  0  0  0  0  0  0  0999 V2000
    8.1392    0.8221    0.7025 C   0  0  0  0  0  0  0  0  0  0  0  0
    6.9598    1.1754   -0.0576 N   0  0  0  0  0  0  0  0  0  0  0  0
    7.0756    2.0285   -1.0869 N   0  0  0  0  0  0  0  0  0  0  0  0
    5.8245    2.1255   -1.5472 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.9145    1.3346   -0.8114 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.5369    1.0749   -0.8630 C   0  0  0  0  0  0  0  0  0  0  0  0
    2.9854    0.1979    0.0771 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.6070   -0.0335   -0.0101 N   0  0  0  0  0  0  0  0  0  0  0  0
    0.8488   -0.8569    0.8067 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2806   -1.5206    1.7474 O   0  0  0  0  0  0  0  0  0  0  0  0
   -0.4972   -0.8769    0.4666 N   0  0  0  0  0  0  0  0  0  0  0  0
   -1.3897   -1.6949    1.2558 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.7946   -1.1315    1.2682 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.3611   -0.9467   -0.1329 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.2920   -0.7225   -1.1892 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.0364   -0.0935   -0.6245 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.3608    0.1737   -0.1134 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.1189    1.5380   -0.0660 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.2116    2.4043   -0.0376 C   0  0  0  0  0  0  0  0  0  0  0  0
   -6.5203    1.9057   -0.0508 C   0  0  0  0  0  0  0  0  0  0  0  0
   -6.7599    0.5328   -0.0919 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.6688   -0.3163   -0.1239 C   0  0  0  0  0  0  0  0  0  0  0  0
   -5.6970   -1.8092   -0.1577 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.2582   -2.1169   -0.5804 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.8554   -3.3504   -0.0126 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.7914   -0.4030    1.0431 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.1661   -0.1600    1.1149 C   0  0  0  0  0  0  0  0  0  0  0  0
    5.6920    0.7194    0.1646 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  1  0
  9 10  2  0
  9 11  1  0
 11 12  1  0
 12 13  1  0
 13 14  1  0
 14 15  1  0
 15 16  1  0
 14 17  1  0
 17 18  2  0
 18 19  1  0
 19 20  2  0
 20 21  1  0
 21 22  2  0
 22 23  1  0
 23 24  1  0
 24 25  1  0
  7 26  2  0
 26 27  1  0
 27 28  2  0
 28  2  1  0
 28  5  1  0
 16 11  1  0
 22 17  1  0
 24 14  1  0
M  END

$$$$

Similar ECBD compounds (0 entries):

	ECBD ID	Similarity	Structure	SDF

Similar ZINC compounds (4 entries):

ZINC ID	Similarity	SDF
ZINC96133725	0.73	ZINC96133725 RDKit 3D 28 32 0 0 0 0 0 0 0 0999 V2000 7.7347 0.9878 -1.5804 O 0 0 0 0 0 0 0 0 0 0 0 0 6.9810 0.8092 -0.6463 C 0 0 0 0 0 0 0 0 0 0 0 0 7.3147 0.7733 0.6788 O 0 0 0 0 0 0 0 0 0 0 0 0 6.1696 0.5397 1.5326 C 0 0 0 0 0 0 0 0 0 0 0 0 5.0623 0.4337 0.5635 C 0 0 0 0 0 0 0 0 0 0 0 0 3.7190 0.2125 0.7869 C 0 0 0 0 0 0 0 0 0 0 0 0 2.8670 0.1543 -0.3199 C 0 0 0 0 0 0 0 0 0 0 0 0 1.4893 -0.0660 -0.2025 N 0 0 0 0 0 0 0 0 0 0 0 0 0.7785 -0.2491 0.9736 C 0 0 0 0 0 0 0 0 0 0 0 0 1.2632 -0.2429 2.1040 O 0 0 0 0 0 0 0 0 0 0 0 0 -0.5812 -0.4600 0.7675 N 0 0 0 0 0 0 0 0 0 0 0 0 -1.1978 -0.1732 -0.5073 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.4086 -1.0476 -0.7478 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.3770 -1.0753 0.4266 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.6591 -1.3106 1.7440 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.4302 -0.4475 1.9320 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.2575 0.1425 0.4306 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.9502 1.4279 0.8490 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.9298 2.4151 0.7432 C 0 0 0 0 0 0 0 0 0 0 0 0 -6.1941 2.1146 0.2218 C 0 0 0 0 0 0 0 0 0 0 0 0 -6.5009 0.8223 -0.2014 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.5219 -0.1483 -0.0882 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.6394 -1.5844 -0.4812 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.4414 -2.1797 0.2614 C 0 0 1 0 0 0 0 0 0 0 0 0 -3.9520 -3.3000 -0.4539 O 0 0 0 0 0 0 0 0 0 0 0 0 3.3773 0.3179 -1.6188 C 0 0 0 0 0 0 0 0 0 0 0 0 4.7377 0.5415 -1.8330 C 0 0 0 0 0 0 0 0 0 0 0 0 5.5469 0.5924 -0.7147 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 2 3 1 0 3 4 1 0 4 5 1 0 5 6 2 0 6 7 1 0 7 8 1 0 8 9 1 0 9 10 2 0 9 11 1 0 11 12 1 0 12 13 1 0 13 14 1 0 14 15 1 0 15 16 1 0 14 17 1 0 17 18 2 0 18 19 1 0 19 20 2 0 20 21 1 0 21 22 2 0 22 23 1 0 23 24 1 0 24 25 1 6 7 26 2 0 26 27 1 0 27 28 2 0 28 2 1 0 28 5 1 0 16 11 1 0 22 17 1 0 24 14 1 0 M END $$$$
ZINC96133724	0.73	ZINC96133724 RDKit 3D 28 32 0 0 0 0 0 0 0 0999 V2000 8.0662 1.3162 -0.4740 O 0 0 0 0 0 0 0 0 0 0 0 0 7.2268 0.5316 -0.0837 C 0 0 0 0 0 0 0 0 0 0 0 0 7.4472 -0.6228 0.6141 O 0 0 0 0 0 0 0 0 0 0 0 0 6.2206 -1.3262 0.9237 C 0 0 0 0 0 0 0 0 0 0 0 0 5.1911 -0.4560 0.3244 C 0 0 0 0 0 0 0 0 0 0 0 0 3.8202 -0.6086 0.2977 C 0 0 0 0 0 0 0 0 0 0 0 0 3.0594 0.3729 -0.3443 C 0 0 0 0 0 0 0 0 0 0 0 0 1.6629 0.3130 -0.4276 N 0 0 0 0 0 0 0 0 0 0 0 0 0.8463 -0.6812 0.0880 C 0 0 0 0 0 0 0 0 0 0 0 0 1.2370 -1.6715 0.7035 O 0 0 0 0 0 0 0 0 0 0 0 0 -0.5029 -0.4644 -0.1540 N 0 0 0 0 0 0 0 0 0 0 0 0 -1.4513 -1.4353 0.3429 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.6845 -1.4990 -0.5314 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.3632 -0.1479 -0.6983 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.4167 1.0258 -0.4877 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.9900 0.6950 -0.8696 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.5213 0.0084 0.2449 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.5542 -0.2472 1.6076 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.7422 -0.0125 2.2992 C 0 0 0 0 0 0 0 0 0 0 0 0 -6.8727 0.4747 1.6320 C 0 0 0 0 0 0 0 0 0 0 0 0 -6.8342 0.7351 0.2629 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.6509 0.4960 -0.4125 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.3980 0.7073 -1.8680 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.0484 0.0057 -2.0758 C 0 0 2 0 0 0 0 0 0 0 0 0 -4.2963 -1.2457 -2.7001 O 0 0 0 0 0 0 0 0 0 0 0 0 3.6859 1.4795 -0.9421 C 0 0 0 0 0 0 0 0 0 0 0 0 5.0732 1.6237 -0.9091 C 0 0 0 0 0 0 0 0 0 0 0 0 5.7899 0.6335 -0.2657 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 2 0 2 3 1 0 3 4 1 0 4 5 1 0 5 6 2 0 6 7 1 0 7 8 1 0 8 9 1 0 9 10 2 0 9 11 1 0 11 12 1 0 12 13 1 0 13 14 1 0 14 15 1 0 15 16 1 0 14 17 1 0 17 18 2 0 18 19 1 0 19 20 2 0 20 21 1 0 21 22 2 0 22 23 1 0 23 24 1 0 24 25 1 1 7 26 2 0 26 27 1 0 27 28 2 0 28 2 1 0 28 5 1 0 16 11 1 0 22 17 1 0 24 14 1 0 M END $$$$
ZINC96150666	1.0	ZINC96150666 RDKit 3D 28 32 0 0 0 0 0 0 0 0999 V2000 8.0837 -0.5426 1.2814 C 0 0 0 0 0 0 0 0 0 0 0 0 6.9808 -0.9396 0.4332 N 0 0 0 0 0 0 0 0 0 0 0 0 7.2063 -1.7937 -0.5770 N 0 0 0 0 0 0 0 0 0 0 0 0 5.9996 -1.9353 -1.1341 C 0 0 0 0 0 0 0 0 0 0 0 0 5.0082 -1.1719 -0.4789 C 0 0 0 0 0 0 0 0 0 0 0 0 3.6312 -0.9592 -0.6414 C 0 0 0 0 0 0 0 0 0 0 0 0 2.9778 -0.0965 0.2452 C 0 0 0 0 0 0 0 0 0 0 0 0 1.6038 0.0876 0.0473 N 0 0 0 0 0 0 0 0 0 0 0 0 0.7562 0.8892 0.7950 C 0 0 0 0 0 0 0 0 0 0 0 0 1.0896 1.5720 1.7617 O 0 0 0 0 0 0 0 0 0 0 0 0 -0.5585 0.8618 0.3493 N 0 0 0 0 0 0 0 0 0 0 0 0 -1.5376 1.6532 1.0589 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.9195 1.0426 0.9645 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.3665 0.8315 -0.4754 C 0 0 0 0 0 0 0 0 0 0 0 0 -2.2101 0.6381 -1.4420 C 0 0 0 0 0 0 0 0 0 0 0 0 -0.9830 0.0549 -0.7748 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.3267 -0.3220 -0.5263 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.0440 -1.6771 -0.4491 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.1060 -2.5797 -0.5005 C 0 0 0 0 0 0 0 0 0 0 0 0 -6.4255 -2.1258 -0.6211 C 0 0 0 0 0 0 0 0 0 0 0 0 -6.7067 -0.7620 -0.6920 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.6454 0.1234 -0.6442 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.7206 1.6142 -0.6919 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.2638 1.9683 -1.0018 C 0 0 1 0 0 0 0 0 0 0 0 0 -3.9486 3.2177 -0.4137 O 0 0 0 0 0 0 0 0 0 0 0 0 3.6842 0.5363 1.2672 C 0 0 0 0 0 0 0 0 0 0 0 0 5.0562 0.3404 1.4494 C 0 0 0 0 0 0 0 0 0 0 0 0 5.6849 -0.5257 0.5507 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 1 0 3 4 2 0 4 5 1 0 5 6 2 0 6 7 1 0 7 8 1 0 8 9 1 0 9 10 2 0 9 11 1 0 11 12 1 0 12 13 1 0 13 14 1 0 14 15 1 0 15 16 1 0 14 17 1 0 17 18 2 0 18 19 1 0 19 20 2 0 20 21 1 0 21 22 2 0 22 23 1 0 23 24 1 0 24 25 1 1 7 26 2 0 26 27 1 0 27 28 2 0 28 2 1 0 28 5 1 0 16 11 1 0 22 17 1 0 24 14 1 0 M END $$$$
ZINC96150665	1.0	ZINC96150665 RDKit 3D 28 32 0 0 0 0 0 0 0 0999 V2000 -8.2124 -0.1078 1.0559 C 0 0 0 0 0 0 0 0 0 0 0 0 -7.0167 -0.8963 0.8508 N 0 0 0 0 0 0 0 0 0 0 0 0 -7.1232 -2.2288 0.7339 N 0 0 0 0 0 0 0 0 0 0 0 0 -5.8581 -2.6238 0.5603 C 0 0 0 0 0 0 0 0 0 0 0 0 -4.9485 -1.5432 0.5658 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.5601 -1.3963 0.4302 C 0 0 0 0 0 0 0 0 0 0 0 0 -3.0136 -0.1100 0.4941 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.6240 -0.0084 0.3534 N 0 0 0 0 0 0 0 0 0 0 0 0 -0.8683 1.1526 0.3818 C 0 0 0 0 0 0 0 0 0 0 0 0 -1.3121 2.2889 0.5340 O 0 0 0 0 0 0 0 0 0 0 0 0 0.4911 0.9255 0.2124 N 0 0 0 0 0 0 0 0 0 0 0 0 1.3860 2.0596 0.2666 C 0 0 0 0 0 0 0 0 0 0 0 0 2.8221 1.6334 0.4839 C 0 0 0 0 0 0 0 0 0 0 0 0 3.2807 0.6136 -0.5462 C 0 0 0 0 0 0 0 0 0 0 0 0 2.2015 -0.4006 -0.9036 C 0 0 0 0 0 0 0 0 0 0 0 0 1.0487 -0.4032 0.0768 C 0 0 0 0 0 0 0 0 0 0 0 0 4.4919 -0.1312 -0.0649 C 0 0 0 0 0 0 0 0 0 0 0 0 4.6978 -0.7180 1.1745 C 0 0 0 0 0 0 0 0 0 0 0 0 5.9029 -1.3820 1.4020 C 0 0 0 0 0 0 0 0 0 0 0 0 6.8777 -1.4570 0.3996 C 0 0 0 0 0 0 0 0 0 0 0 0 6.6646 -0.8692 -0.8467 C 0 0 0 0 0 0 0 0 0 0 0 0 5.4667 -0.2114 -1.0597 C 0 0 0 0 0 0 0 0 0 0 0 0 5.0397 0.4809 -2.3115 C 0 0 0 0 0 0 0 0 0 0 0 0 3.7950 1.2559 -1.8548 C 0 0 2 0 0 0 0 0 0 0 0 0 4.1681 2.6152 -1.6743 O 0 0 0 0 0 0 0 0 0 0 0 0 -3.8351 0.9994 0.6890 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.2209 0.8786 0.8271 C 0 0 0 0 0 0 0 0 0 0 0 0 -5.7415 -0.4166 0.7590 C 0 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 1 0 3 4 2 0 4 5 1 0 5 6 2 0 6 7 1 0 7 8 1 0 8 9 1 0 9 10 2 0 9 11 1 0 11 12 1 0 12 13 1 0 13 14 1 0 14 15 1 0 15 16 1 0 14 17 1 0 17 18 2 0 18 19 1 0 19 20 2 0 20 21 1 0 21 22 2 0 22 23 1 0 23 24 1 0 24 25 1 1 7 26 2 0 26 27 1 0 27 28 2 0 28 2 1 0 28 5 1 0 16 11 1 0 22 17 1 0 24 14 1 0 M END $$$$

Assays:

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

Sections: