5-methyl-4-(2-phenylhydrazinyl)pyrazol-3-one

联环戊基

1-amino-3-(hydrazinecarbonylamino)urea

2'',3''a,4'',5'',6'',7''-六氢-螺[环己烷-1,3''-吲唑]

2,3,5-三甲基-1H-吡咯