109-73-9
正丁胺
+
106-65-0
丁二酸二甲酯
→
~98%
101871-32-3
methyl 4-(butylamino)-4-oxobutanoate
~60%
3470-96-0
1-butylpyrrolidine-2,5-dione
3878-55-5
丁二酸单甲酯
1719-01-3
4-(butylamino)-4-oxobutanoic acid
1490-25-1
丁二酸单甲酯酰氯