108-30-5
丁二酸酐
+
109-73-9
正丁胺
→
~85%
1719-01-3
4-(butylamino)-4-oxobutanoic acid
101871-32-3
methyl 4-(butylamino)-4-oxobutanoate
3470-96-0
1-butylpyrrolidine-2,5-dione