40595-04-8
ethyl 3-cyanobut-2-enoate
→
~98%
22584-00-5
ethyl 3-cyanobutanoate
10544-63-5
2-丁烯酸乙酯
+
119072-55-8
~70%
109539-54-0
丙酸, 3-溴-2-氰基-2-甲基-, 乙基酯 (9CI)
~61%
1572-98-1
2-氰基-2-甲基丙酸乙酯
1462-12-0
亚乙基丙二酸二乙酯
151-50-8
氰化钾
498-21-5
甲基丁二酸
54998-57-1
ethyl 3-methyl-4-oxobutanoate