PDB Chemical Component EHD

Ideal Model

Chemical Description

Name 4-ETHYL-4-HYDROXY-1,12-DIHYDRO-4H-2-OXA-6,12A-DIAZA-DIBENZO[B,H]FLUORENE-3,13-DIONE
Synonyms CAMPTOTHECIN
Formula C20 H16 N2 O4
Formal charge 0
Molecular weight 348.352 g/mol
Component type NON-POLYMER

Chemical features

Atom count 42
Chiral atom count 1
Chiral atoms C21
Bond count 46
Aromatic bond count 18

Chemical Identifiers

Systematic name (ACDLabs) (4S)-4-ethyl-4-hydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione

Chemical Descriptors

Stereo SMILES (CACTVS) CC[C@@]1(O)C(=O)OCC2=C1C=C3N(Cc4cc5ccccc5nc34)C2=O
SMILES (CACTVS) CC[C]1(O)C(=O)OCC2=C1C=C3N(Cc4cc5ccccc5nc34)C2=O
Stereo SMILES (OpenEye) CC[C@@]1(C2=C(COC1=O)C(=O)N3Cc4cc5ccccc5nc4C3=C2)O
InChI descriptor InChI=1S/C20H16N2O4/c1-2-20(25)14-8-16-17-12(7-11-5-3-4-6-15(11)21-17)9-22(16)18(23)13(14)10-26-19(20)24/h3-8,25H,2,9-10H2,1H3/t20-/m0/s1
InChIKey descriptor VSJKWCGYPAHWDS-FQEVSTJZSA-N

Status Information

Last modified 2021-03-01
Created 2004-06-09
Release status REL
Processing site RCSB