RESIDUE   SYN     16
CONECT      CAF    3 CAD  CAH  H1  
CONECT      CAD    3 CAF  CAC  H2  
CONECT      CAC    3 CAD  CAE  H3  
CONECT      CAE    3 CAC  CAG  H4  
CONECT      CAG    3 CAE  CAH  H5  
CONECT      CAH    3 CAF  CAG  CAB 
CONECT      CAB    3 CAH  CAA  H6  
CONECT      CAA    3 CAB  H8   H9  
CONECT      H1     1 CAF 
CONECT      H2     1 CAD 
CONECT      H3     1 CAC 
CONECT      H4     1 CAE 
CONECT      H5     1 CAG 
CONECT      H6     1 CAB 
CONECT      H8     1 CAA 
CONECT      H9     1 CAA 
END   
HET    SYN             16
HETSYN     SYN styrene
HETNAM     SYN ethenylbenzene
FORMUL      SYN    C8 H8