Structure based on ?

Ideal structure
Name: (5z)-3-(4-chlorophenyl)-4-hydroxy-5-(1-naphthylmethylene)furan-2(5h)-one
Formula: C21 H13 Cl O3
Weight: 348.779
SMILES: "OC1=C(C(=O)OC1=Cc2cccc3ccccc23)c4ccc(Cl)cc4"
Spacial conformation based on PDB ?.
Also present on 2q85
RESIDUE   973     38
CONECT      C1     3 C2   C6   H1  
CONECT      C2     3 C1   C3   H2  
CONECT      C3     3 C2   C4   H3  
CONECT      C4     3 C3   C5   C10 
CONECT      C5     3 C4   C6   C7  
CONECT      C6     3 C1   C5   H6  
CONECT      C7     3 C5   C8   H7  
CONECT      C8     3 C7   C9   H8  
CONECT      C9     3 C8   C10  H9  
CONECT      C10    3 C4   C9   C11 
CONECT      C11    3 C10  C12  H11 
CONECT      C12    3 C11  C13  O2  
CONECT      C13    3 C12  C14  O3  
CONECT      C14    3 C13  C15  C16 
CONECT      C15    3 C14  O1   O2  
CONECT      O1     1 C15 
CONECT      O2     2 C12  C15 
CONECT      C16    3 C14  C17  C21 
CONECT      C17    3 C16  C18  H17 
CONECT      C18    3 C17  C19  H18 
CONECT      C19    3 C18  C20  CL1 
CONECT      C20    3 C19  C21  H20 
CONECT      C21    3 C16  C20  H21 
CONECT      CL1    1 C19 
CONECT      O3     2 C13  HO3 
CONECT      H1     1 C1  
CONECT      H2     1 C2  
CONECT      H3     1 C3  
CONECT      H6     1 C6  
CONECT      H7     1 C7  
CONECT      H8     1 C8  
CONECT      H9     1 C9  
CONECT      H11    1 C11 
CONECT      H17    1 C17 
CONECT      H18    1 C18 
CONECT      H20    1 C20 
CONECT      H21    1 C21 
CONECT      HO3    1 O3  
END   
HET    973             38
HETNAM     973 (5Z)-3-(4-CHLOROPHENYL)-4-HYDROXY-5-(1-NAPHTHYLMETHYLEN
HETNAM   2 973 E)FURAN-2(5H)-ONE
FORMUL      973    C21 H13 Cl1 O3

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