2-氯丙烷

乙酰氯

3,5-二乙酰基-1,4-二氢-2,6-二甲基吡啶

3,5-丁二酮-2,4,6-三甲基-1,4-羟基吡啶

3,5-diacetyl-2,6-dimethyl-4-(5'-methyl-2'furyl)-1,4-dihydropyridine