872-50-4
N-甲基吡咯烷酮
+
105-58-8
碳酸二乙酯
→
~44%
30932-85-5
ethyl 1-methyl-2-oxopyrrolidine-3-carboxylate
96905-67-8
2-氧代-吡咯烷-3-羧酸
50586-05-5
1-methyl-3-methylidenepyrrolidin-2-one
577780-05-3
3-(羟基甲基)-1-甲基-2-吡咯烷酮