1,5,1',5'-tetramethyl-2,2'-diphenyl-1,2,1',2'-tetrahydro-4,4'-phenylmethanediyl-bis-pyrazol-3-one

N-苯基甲酰胺

1-甲基-1-苯肼

4-氯苯基氯甲酸酯

4-(hydroxymethyl)-1,5-dimethyl-2-phenylpyrazol-3-one