ethyl 3-aminocrotonate

苯甲酰甲酸乙酯

4-methylfuran-2-yl-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylicacid diethyl ester

4-丁基-1,4-二氢-2,6-二甲基-3,5-吡啶二羧酸二乙酯

diethyl 1,4-dihydro-4-(4-hydroxy-3-methoxyphenyl)-2,6-dimethylpyridine-3,5-dicarboxylate