616-45-5
2-吡咯烷酮
+
90945-15-6
→
~40%
125393-02-4
1-[4-(diethylamino)phenyl]sulfonylpyrrolidin-2-one
91-66-7
N,N-二乙基苯胺
35478-73-0
N,N-二乙基-4-氨基苯磺酸