110-89-4
哌啶
+
126517-92-8
2,3,5-trichloro-4,4-dimethoxy-5-prop-2-enylcyclopent-2-en-1-one
→
~74%
141917-52-4
2,5-dichloro-4,4-dimethoxy-3-piperidin-1-yl-5-prop-2-enylcyclopent-2-en-1-one