108-30-5
丁二酸酐
+
100-61-8
N-甲基苯胺
→
~85%
33684-12-7
4-(N-methylanilino)-4-oxobutanoic acid
110-15-6
丁二酸
52190-10-0
N,N'-dimethyl-N,N'-diphenylbutanediamide