RESIDUE   URE      8
CONECT      C      3 O    N1   N2  
CONECT      O      1 C   
CONECT      N1     3 C    HN11 HN12
CONECT      N2     3 C    HN21 HN22
CONECT      HN11   1 N1  
CONECT      HN12   1 N1  
CONECT      HN21   1 N2  
CONECT      HN22   1 N2  
END   
HET    URE              8
HETNAM     URE UREA
FORMUL      URE    C H4 N2 O