2-(4-methoxyphenyl)-2-methylpropionaldehyde

4-carbethoxy-1-(p-toluenesulphonylimino)pyridinium ylide

4-methyl-N-[(4-methylphenyl)methyl]benzenesulfonamide

2-氨基-4'-溴二苯甲酮

2-氨基-4’-溴二苯甲酮