Structure based on 19gs

Ideal structure
Name: 3,3'-(4,5,6,7-tetrabromo-3-oxo-1(3h)-isobenzofuranylidene)bis [6-hydroxybenzenesulfonic acid]anion
Formula: C20 H8 Br4 O10 S2
Weight: 792.018
SMILES: "Oc1ccc(cc1[S]([O-])(=O)=O)C2(OC(=O)c3c(Br)c(Br)c(Br)c(Br)c23)c4ccc(O)c(c4)[S]([O-])(=O)=O"
Spacial conformation based on PDB 19gs
RESIDUE   BSP     44
CONECT      C5     3 C4   C6   BR5 
CONECT      C4     3 C5   C3   BR4 
CONECT      C3     3 C4   C8   C2  
CONECT      C8     3 C3   C7   C9  
CONECT      C7     3 C8   C6   BR7 
CONECT      C6     3 C5   C7   BR6 
CONECT      BR6    1 C6  
CONECT      BR7    1 C7  
CONECT      BR5    1 C5  
CONECT      BR4    1 C4  
CONECT      C9     3 C8   O1   O9  
CONECT      O1     2 C9   C2  
CONECT      O9     1 C9  
CONECT      C2     4 C3   O1   C1'  C1B 
CONECT      C1'    3 C2   C2'  C6' 
CONECT      C2'    3 C1'  C3'  H2' 
CONECT      C3'    3 C2'  C4'  S1' 
CONECT      C4'    3 C3'  C5'  O4' 
CONECT      C5'    3 C4'  C6'  H5' 
CONECT      C6'    3 C1'  C5'  H6' 
CONECT      O4'    2 C4'  H4' 
CONECT      S1'    4 C3'  OS1  OS2  OS3 
CONECT      OS1    1 S1' 
CONECT      OS2    1 S1' 
CONECT      OS3    1 S1' 
CONECT      C1B    3 C2   C2B  C6B 
CONECT      C2B    3 C1B  C3B  H2B 
CONECT      C3B    3 C2B  C4B  S1B 
CONECT      C4B    3 C3B  C5B  O4B 
CONECT      C5B    3 C4B  C6B  H5B 
CONECT      C6B    3 C1B  C5B  H6B 
CONECT      O4B    2 C4B  H4B 
CONECT      S1B    4 C3B  OSA  OSB  OSC 
CONECT      OSA    1 S1B 
CONECT      OSB    1 S1B 
CONECT      OSC    1 S1B 
CONECT      H2'    1 C2' 
CONECT      H5'    1 C5' 
CONECT      H6'    1 C6' 
CONECT      H4'    1 O4' 
CONECT      H2B    1 C2B 
CONECT      H5B    1 C5B 
CONECT      H6B    1 C6B 
CONECT      H4B    1 O4B 
END   
HET    BSP             44
HETSYN     BSP BROMOSULFALEIN
HETNAM     BSP 3,3'-(4,5,6,7-TETRABROMO-3-OXO-1(3H)-ISOBENZOFURANYLIDE
HETNAM   2 BSP NE)BIS [6-HYDROXYBENZENESULFONIC ACID]ANION
FORMUL      BSP    C20 H8 Br4 O10 S2 2-

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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