75-52-5
硝基甲烷
+
25355-40-2
3,4-dihydro-1-methyl-2-(methylthio)-5H-pyrrolium iodide
→
~53%
26171-05-1
1-methyl-2-(nitromethylene)pyrrolidine
872-50-4
N-甲基吡咯烷酮