RESIDUE   A1IWS     12
CONECT      C02    3 C07  N01  N03 
CONECT      C05    3 C07  N04  O06 
CONECT      C07    3 C02  C05  H071
CONECT      N01    3 C02  H011 H012
CONECT      N03    3 C02  N04  H031
CONECT      N04    3 C05  N03  H041
CONECT      O06    1 C05 
CONECT      H071   1 C07 
CONECT      H011   1 N01 
CONECT      H012   1 N01 
CONECT      H031   1 N03 
CONECT      H041   1 N04 
END   
HET    A1IWS             12
HETNAM     A1IWS 5-azanyl-1,2-dihydropyrazol-3-one
FORMUL      A1IWS    C3 H5 N3 O