乙酰乙酸乙酯

苄叉丙酮

2,6-二甲基-4-苯基-1,4-二氢吡啶-3,5-二羧酸二乙酯

diethyl 1,4-dihydro-1,2,6-trimethyl-4-phenyl-3,5-pyridinedicarboxylate

diethyl 2,6-dimethyl-1,4-diphenyl-4H-pyridine-3,5-dicarboxylate