1520-50-9
diethyl fumarate
→
~84%
1114-30-3
diethyl 2,3-dibromobutane-1,4-dicarboxylate
632-56-4
1,1,2,2-乙烷四甲酸四乙酯
141-05-9
马来酸二乙酯
623-91-6
富马酸二乙酯
1092776-44-7
3-bromo-1,2-dimethylindazolium bromide