N-(4-甲基苯基)乙酰氧肟酸

N-(2-羟基-4-甲基苯基)乙酰胺

N-hydroxy-N-(4-methylphenyl)furan-2-carboxamide

(2,4-dimethylphenyl)-(4-methylphenyl)diazene

4-羟基-4-甲基二苯胺