108-30-5
丁二酸酐
+
104-94-9
对氨基苯甲醚
→
~91%
56106-05-9
4-(4-methoxyanilino)-4-oxobutanoic acid
2314-80-9
1-(4-methoxyphenyl)pyrrolidine-2,5-dione
108-31-6
马来酸酐
110-15-6
丁二酸
1081-17-0
1-(4-甲氧基苯基)-1H-吡咯-2,5-二酮