33252-30-1
2-氯-4-氰基吡啶
+
925-90-6
乙基溴化镁
→
~52%
87121-53-7
1-(2-chloropyridin-4-yl)propan-1-one
219832-71-0
4-(2-ethyl-1,3-dioxan-2-yl)-2-methoxypyridine