Structure based on 1r6n

Ideal structure
Name: spiro[3-carboxy-4-{(4-[1,2,3]thiadiazol-4-yl-phenyl)-amino-carbonyl} -5-[3,4-dichloro-phenyl]-tetrahydrofuran-2,2'-5-methyl-indan-1,3-dione]
Formula: C29 H19 Cl2 N3 O6 S
Weight: 608.449
SMILES: "Cc1ccc2C(=O)[C]3(O[CH]([CH]([CH]3C(O)=O)C(=O)Nc4ccc(cc4)c5csnn5)c6ccc(Cl)c(Cl)c6)C(=O)c2c1"
Spacial conformation based on PDB 1r6n
RESIDUE   434     60
CONECT      C1     4 C2   O4   C8   H1  
CONECT      C2     3 C1   C49  C57 
CONECT      O4     2 C1   C5  
CONECT      C5     4 O4   C6   C10  C13 
CONECT      C6     4 C5   C8   C24  H6  
CONECT      C8     4 C1   C6   C28  H8  
CONECT      C10    3 C5   C11  O12 
CONECT      C11    3 C10  C15  C23 
CONECT      O12    1 C10 
CONECT      C13    3 C5   O14  C23 
CONECT      O14    1 C13 
CONECT      C15    3 C11  C17  H15 
CONECT      C17    3 C15  C19  C3  
CONECT      C19    3 C17  C21  H19 
CONECT      C21    3 C19  C23  H21 
CONECT      C23    3 C11  C13  C21 
CONECT      C24    3 C6   O25  O26 
CONECT      O25    1 C24 
CONECT      O26    2 C24  H26 
CONECT      C28    3 C8   O29  N30 
CONECT      O29    1 C28 
CONECT      N30    3 C28  C31  H30 
CONECT      C31    3 N30  C33  C41 
CONECT      C33    3 C31  C35  H33 
CONECT      C35    3 C33  C37  H35 
CONECT      C37    3 C35  C38  C39 
CONECT      C38    3 C37  N43  C47 
CONECT      C39    3 C37  C41  H39 
CONECT      C41    3 C31  C39  H41 
CONECT      N43    2 C38  N44 
CONECT      N44    2 N43  S46 
CONECT      S46    2 N44  C47 
CONECT      C47    3 C38  S46  H47 
CONECT      C49    3 C2   C51  H49 
CONECT      C51    3 C49  C53  CL1 
CONECT      C53    3 C51  C55  CL2 
CONECT      C55    3 C53  C57  H55 
CONECT      C57    3 C2   C55  H57 
CONECT      C3     4 C17  H31  H32  H33A
CONECT      CL1    1 C51 
CONECT      CL2    1 C53 
CONECT      H1     1 C1  
CONECT      H6     1 C6  
CONECT      H8     1 C8  
CONECT      H15    1 C15 
CONECT      H19    1 C19 
CONECT      H21    1 C21 
CONECT      H26    1 O26 
CONECT      H30    1 N30 
CONECT      H33    1 C33 
CONECT      H35    1 C35 
CONECT      H39    1 C39 
CONECT      H41    1 C41 
CONECT      H47    1 C47 
CONECT      H49    1 C49 
CONECT      H55    1 C55 
CONECT      H57    1 C57 
CONECT      H31    1 C3  
CONECT      H32    1 C3  
CONECT      H33A   1 C3  
END   
HET    434             60
HETSYN     434 BILH 434
HETNAM     434 SPIRO[3-CARBOXY-4-{(4-[1,2,3]THIADIAZOL-4-YL-PHENYL)-AM
HETNAM   2 434 INO-CARBONYL} -5-[3,4-DICHLORO-PHENYL]-TETRAHYDROFURAN-
HETNAM   3 434 2,2'-5-METHYL-INDAN-1,3-DIONE]
FORMUL      434    C29 H19 Cl2 N3 O6 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