119741-54-7
→
~92%
119741-57-0
3-氰基-1H-吡唑-4-羧酸乙酯
141-05-9
马来酸二乙酯
623-91-6
富马酸二乙酯
N/A
127049-85-8
5-cyano-4,5-dihydro-3H-pyrazole-3,4-dicarboxylic acid diethyl ester
98477-12-4
5-氰基-1-叔丁基-1H-吡唑-4-羧酸乙酯
121485-81-2
3-cyano-1-(1,1-dimethylethyl)-1H-pyrazole-4-carboxylic acid ethyl ester