2,2-ethylenedioxypropyl methyl 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylate

3-amino-2-crotonic acid 2,2-ethylenedioxy propyl ester

2,2-ethylenedioxypropyl acetoacetate

3-酮基-2-邻硝亚苄基-丁酰苯胺

乙酰乙酸甲酯