25355-40-2
3,4-dihydro-1-methyl-2-(methylthio)-5H-pyrrolium iodide
+
105-56-6
氰乙酸乙酯
→
~89%
21985-16-0
ethyl 2-cyano-2-(1-methylpyrrolidin-2-ylidene)acetate
10441-57-3
1-甲基吡咯烷-2-硫酮