RESIDUE   DAZ      7
CONECT      ZN     2 N1   N2  
CONECT      N1     3 ZN   H11  H12 
CONECT      N2     3 ZN   H21  H22 
CONECT      H11    1 N1  
CONECT      H12    1 N1  
CONECT      H21    1 N2  
CONECT      H22    1 N2  
END   
HET    DAZ              7
HETNAM     DAZ diaminozinc
FORMUL      DAZ    H4 N2 Zn