1,4-二氢-2,6-二甲基-4-苯基-3,5-吡啶羧酸二甲酯

6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid methyl ester

6-methyl-2,4-diphenyl-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid methyl ester

2,2-二甲基-6-氧代环己烷羧酸甲酯

methyl 2-(2-oxopropyl)benzoate