53544-25-5
1-(2-氧代吡咯烷-1-基)丁烷-1,3-二酮
→
~97%
126685-93-6
3-diazonio-4-oxo-4-(2-oxopyrrolidin-1-yl)but-2-en-2-olate
616-45-5
2-吡咯烷酮
+
5394-63-8
2,2,6-三甲基-4H-1,3-二英-4-酮