Structure based on 1gfy

Ideal structure
Name: 2-(oxalyl-amino)-4,7-dihydro-5h-thieno[2,3-c]thiopyran-3-carboxylic acid
Formula: C10 H9 N O5 S2
Weight: 287.312
SMILES: "OC(=O)C(=O)Nc1sc2CSCCc2c1C(O)=O"
Spacial conformation based on PDB 1gfy
RESIDUE   COL     27
CONECT      S1     2 C2   C6  
CONECT      C2     4 S1   C3   H21  H22A
CONECT      C3     3 C2   C4   S13 
CONECT      C4     3 C3   C5   C15 
CONECT      C5     4 C4   C6   H51  H52 
CONECT      C6     4 S1   C5   H61  H62 
CONECT      S13    2 C3   C14 
CONECT      C14    3 S13  C15  N19 
CONECT      C15    3 C4   C14  C16 
CONECT      C16    3 C15  O17  O18 
CONECT      O17    2 C16  H17 
CONECT      O18    1 C16 
CONECT      N19    3 C14  C20  H19 
CONECT      C20    3 N19  C21  O24 
CONECT      C21    3 C20  O22  O23 
CONECT      O22    2 C21  H22 
CONECT      O23    1 C21 
CONECT      O24    1 C20 
CONECT      H21    1 C2  
CONECT      H22A   1 C2  
CONECT      H51    1 C5  
CONECT      H52    1 C5  
CONECT      H61    1 C6  
CONECT      H62    1 C6  
CONECT      H17    1 O17 
CONECT      H19    1 N19 
CONECT      H22    1 O22 
END   
HET    COL             27
HETNAM     COL 2-(OXALYL-AMINO)-4,7-DIHYDRO-5H-THIENO[2,3-C]THIOPYRAN-
HETNAM   2 COL 3-CARBOXYLIC ACID
FORMUL      COL    C10 H9 N1 O5 S2

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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