(E)-2-chloromethylene-5-methoxy-2,5-dihydrofuran

甲基1,2,3,4-四-O-异丁酰基-beta-D-葡萄糖醛酸酯

N,N’-双(甲氧基甲基)脲

3羰基茚酯酸甲酯

4,5-dichloro-2-methoxycarbonylbenzoate