3445-11-2
N-羟乙基-2-吡咯烷酮
→
~93%
51333-90-5
1-(2-chloroethyl)pyrrolidin-2-one
96-48-0
γ-丁内酯
+
141-43-5
乙醇胺
~87%
616-45-5
2-吡咯烷酮
107-04-0
1-溴-2-氯乙烷