5-(对甲苯)异噁唑-3-羧酸乙酯

5-(4-methylphenyl)isoxazole-3-carbonitrile

methyl 5-(p-tolyl)isoxazole-3-carboxylate

对甲基苯乙酮

ethyl 2-hydroxy-4-oxo-4-(4-methylphenyl)-2-butenoate