RESIDUE   PQR     20
CONECT      O5     2 C6   H2  
CONECT      C6     3 O5   C7   C5  
CONECT      C7     3 C6   O4   C8  
CONECT      O4     2 C7   H15 
CONECT      C8     3 C7   C9   H1  
CONECT      C9     3 C8   N2   C4  
CONECT      N2     3 C9   N3   C10 
CONECT      N3     2 N2   O3  
CONECT      O3     1 N3  
CONECT      C10    4 N2   H4   H5   H6  
CONECT      C5     3 C6   C4   H7  
CONECT      C4     3 C9   C5   H8  
CONECT      H4     1 C10 
CONECT      H5     1 C10 
CONECT      H6     1 C10 
CONECT      H7     1 C5  
CONECT      H2     1 O5  
CONECT      H15    1 O4  
CONECT      H8     1 C4  
CONECT      H1     1 C8  
END   
HET    PQR             20
HETSYN     PQR Methyl-3,4-dephostatin
HETNAM     PQR 4-[methyl(nitroso)amino]benzene-1,2-diol
FORMUL      PQR    C7 H8 N2 O3