6-(4-methylphenyl)-2-phenyl-4,5-dihydropyridazin-3-one

1,7-dimethyl-1,2,3,4-tetrahydronaphthalene

4-甲基苯丙酮

4-(4-甲基苯基)-4-氧代丁酸甲酯

4-氧代-4-对甲苯基丁酸乙酯