Structure based on ?

Ideal structure
Name: (3as,4r,9br)-2,2-difluoro-4-(4-hydroxyphenyl)-1,2,3,3a,4,9b-hexahydrocyclopenta[c]chromen-8-ol
Formula: C18 H16 F2 O3
Weight: 318.315
SMILES: "Oc1ccc(cc1)[CH]2Oc3ccc(O)cc3[CH]4CC(F)(F)C[CH]24"
Spacial conformation based on PDB ?.
Also present on 2q70, 2z4b
RESIDUE   DC8     39
CONECT      C4     3 C17  C3   O5  
CONECT      C6     4 C8   O5   C19  H6  
CONECT      C8     4 C6   C10  C15  H8  
CONECT      C10    4 C8   C11  H101 H102
CONECT      C15    4 C8   C17  C14  H15 
CONECT      C17    3 C4   C15  C18 
CONECT      C20    3 C21  C19  H20 
CONECT      C21    3 C20  C22  H21 
CONECT      C22    3 C21  C24  O23 
CONECT      C24    3 C22  C25  H24 
CONECT      C1     3 C2   C18  O26 
CONECT      C2     3 C1   C3   H2  
CONECT      C3     3 C4   C2   H3  
CONECT      O5     2 C4   C6  
CONECT      C11    4 C10  F12  F13  C14 
CONECT      F12    1 C11 
CONECT      F13    1 C11 
CONECT      C14    4 C15  C11  H141 H142
CONECT      C18    3 C17  C1   H18 
CONECT      C19    3 C6   C20  C25 
CONECT      O23    2 C22  HO23
CONECT      C25    3 C24  C19  H25 
CONECT      O26    2 C1   HO26
CONECT      H6     1 C6  
CONECT      H8     1 C8  
CONECT      H101   1 C10 
CONECT      H102   1 C10 
CONECT      H15    1 C15 
CONECT      H20    1 C20 
CONECT      H21    1 C21 
CONECT      H24    1 C24 
CONECT      H2     1 C2  
CONECT      H3     1 C3  
CONECT      H141   1 C14 
CONECT      H142   1 C14 
CONECT      H18    1 C18 
CONECT      HO23   1 O23 
CONECT      H25    1 C25 
CONECT      HO26   1 O26 
END   
HET    DC8             39
HETNAM     DC8 (3AS,4R,9BR)-2,2-DIFLUORO-4-(4-HYDROXYPHENYL)-1,2,3,3A,
HETNAM   2 DC8 4,9B-HEXAHYDROCYCLOPENTA[C]CHROMEN-8-OL
FORMUL      DC8    C18 H16 F2 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