(E)-2-氰基乙基3-氨基丁-2-烯酸酯

4-(2,3-二氯苯基)-1,4-二氢-2,6-二甲基-3,5-吡啶二甲酸甲基(1-丁酰氧基)甲酯

Methyl (1-oxobutoxy)methyl 4-(2,3-dichlorophenyl)-1,4-dihydro-2,6-dime thyl-3,5-pyridinedicarboxylate