Structure based on 2duv

Ideal structure
Name: 2-(3,4-dihydroxyphenyl)-8-(1,1-dioxidoisothiazolidin-2-yl)-3-hydroxy-6-methyl-4h-chromen-4-one
Formula: C19 H17 N O7 S
Weight: 403.406
SMILES: "Cc1cc(N2CCC[S]2(=O)=O)c3OC(=C(O)C(=O)c3c1)c4ccc(O)c(O)c4"
Spacial conformation based on PDB 2duv
RESIDUE   371     45
CONECT      O1     2 C1   C8  
CONECT      C1     3 O1   C2   C10 
CONECT      C2     3 C1   C3   O3  
CONECT      C3     3 C2   C9   O2  
CONECT      C4     3 C5   C9   H4  
CONECT      C5     3 C4   C6   C16 
CONECT      C6     3 C5   C7   H6  
CONECT      C7     3 C6   C8   N1  
CONECT      C8     3 O1   C7   C9  
CONECT      C9     3 C3   C4   C8  
CONECT      O2     1 C3  
CONECT      C10    3 C1   C11  C15 
CONECT      C11    3 C10  C12  H11 
CONECT      C12    3 C11  C13  H12 
CONECT      C13    3 C12  C14  O5  
CONECT      C14    3 C13  C15  O4  
CONECT      C15    3 C10  C14  H15 
CONECT      C16    4 C5   H161 H162 H163
CONECT      O3     2 C2   HO3 
CONECT      O4     2 C14  HO4 
CONECT      O5     2 C13  HO5 
CONECT      C17    4 C18  C19  H171 H172
CONECT      C18    4 C17  N1   H181 H182
CONECT      N1     3 C7   C18  S1  
CONECT      S1     4 N1   C19  O7   O6  
CONECT      C19    4 C17  S1   H191 H192
CONECT      O7     1 S1  
CONECT      O6     1 S1  
CONECT      H4     1 C4  
CONECT      H6     1 C6  
CONECT      H11    1 C11 
CONECT      H12    1 C12 
CONECT      H15    1 C15 
CONECT      H161   1 C16 
CONECT      H162   1 C16 
CONECT      H163   1 C16 
CONECT      HO3    1 O3  
CONECT      HO4    1 O4  
CONECT      HO5    1 O5  
CONECT      H171   1 C17 
CONECT      H172   1 C17 
CONECT      H181   1 C18 
CONECT      H182   1 C18 
CONECT      H191   1 C19 
CONECT      H192   1 C19 
END   
HET    371             45
HETNAM     371 2-(3,4-DIHYDROXYPHENYL)-8-(1,1-DIOXIDOISOTHIAZOLIDIN-2-
HETNAM   2 371 YL)-3-HYDROXY-6-METHYL-4H-CHROMEN-4-ONE
FORMUL      371    C19 H17 N1 O7 S1

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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