RESIDUE   ZNS     19
CONECT      O1     2 C    H4  
CONECT      C1     4 C2   C    H1   H   
CONECT      O5     2 P    H5  
CONECT      O4     2 P    H6  
CONECT      C3     3 O3   C2   O2  
CONECT      O3     2 C3   P   
CONECT      C2     4 C1   C3   H2   H3  
CONECT      C      3 O1   C1   O   
CONECT      O      1 C   
CONECT      O2     1 C3  
CONECT      O6     1 P   
CONECT      P      4 O5   O4   O3   O6  
CONECT      H4     1 O1  
CONECT      H1     1 C1  
CONECT      H      1 C1  
CONECT      H5     1 O5  
CONECT      H6     1 O4  
CONECT      H2     1 C2  
CONECT      H3     1 C2  
END   
HET    ZNS             19
HETNAM     ZNS 4-oxo-4-(phosphonooxy)butanoic acid
FORMUL      ZNS    C4 H7 O7 P