3-甲基-1-苯基吡唑

2,4-二氢-5-甲基-2-苯基-4-丙酰基-3H-吡唑-3-酮

4,4-methine-bis-(3-methyl-1-phenyl-2-pyrazolin-5-one)

5-(4-硝基苯基)-2-苯基-2,4-二氢-3H-吡唑-3-酮

缩二脲