Structure based on 1sa0

Ideal structure
Name: 2-mercapto-n-[1,2,3,10-tetramethoxy-9-oxo-5,6,7,9-tetrahydro-benzo[a]heptalen-7-yl]acetamide
Formula: C22 H25 N O6 S
Weight: 431.502
SMILES: "COC1=CC=C2C(=CC1=O)[CH](CCc3cc(OC)c(OC)c(OC)c23)NC(=O)CS"
Spacial conformation based on PDB 1sa0.
Also present on 1z2b, 3du7, 3edl
RESIDUE   CN2     55
CONECT      O4     1 C12 
CONECT      C12    3 O4   C13  N1  
CONECT      C13    4 C12  S1   H131 H132
CONECT      S1     2 C13  HS1 
CONECT      N1     3 C12  C11  HN1 
CONECT      C11    4 N1   C14  C10  H11 
CONECT      C14    3 C11  C15  C21 
CONECT      C15    3 C14  C16  H15 
CONECT      C10    4 C11  C9   H101 H102
CONECT      C9     4 C10  C8   H91  H92 
CONECT      C8     3 C9   C7   C22 
CONECT      C7     3 C8   C5   H7  
CONECT      C5     3 C7   C3   O3  
CONECT      C3     3 C5   C1   O2  
CONECT      C1     3 C3   O1   C22 
CONECT      O1     2 C1   C2  
CONECT      C2     4 O1   H21  H22  H23 
CONECT      O2     2 C3   C4  
CONECT      C4     4 O2   H41  H42  H43 
CONECT      O3     2 C5   C6  
CONECT      C6     4 O3   H61  H62  H63 
CONECT      C22    3 C8   C1   C21 
CONECT      C21    3 C14  C22  C20 
CONECT      C20    3 C21  C19  H20 
CONECT      C19    3 C20  C17  H19 
CONECT      C17    3 C19  C16  O6  
CONECT      C16    3 C15  C17  O5  
CONECT      O5     1 C16 
CONECT      O6     2 C17  C18 
CONECT      C18    4 O6   H181 H182 H183
CONECT      H131   1 C13 
CONECT      H132   1 C13 
CONECT      HS1    1 S1  
CONECT      HN1    1 N1  
CONECT      H11    1 C11 
CONECT      H15    1 C15 
CONECT      H101   1 C10 
CONECT      H102   1 C10 
CONECT      H91    1 C9  
CONECT      H92    1 C9  
CONECT      H7     1 C7  
CONECT      H21    1 C2  
CONECT      H22    1 C2  
CONECT      H23    1 C2  
CONECT      H41    1 C4  
CONECT      H42    1 C4  
CONECT      H43    1 C4  
CONECT      H61    1 C6  
CONECT      H62    1 C6  
CONECT      H63    1 C6  
CONECT      H20    1 C20 
CONECT      H19    1 C19 
CONECT      H181   1 C18 
CONECT      H182   1 C18 
CONECT      H183   1 C18 
END   
HET    CN2             55
HETNAM     CN2 2-MERCAPTO-N-[1,2,3,10-TETRAMETHOXY-9-OXO-5,6,7,9-TETRA
HETNAM   2 CN2 HYDRO-BENZO[A]HEPTALEN-7-YL]ACETAMIDE
FORMUL      CN2    C22 H25 N1 O6 S1

This OCA MONOMER page
uses Jmol, developed by the Jmol Development Team (color reference)
OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science