907208-89-3
tert-butyl 4-(5-methylpyridin-2-yl)piperazine-1-carboxylate
→
~98%
104395-86-0
1-(5-甲基-2-吡啶基)哌嗪
110-85-0
哌嗪
+
3510-66-5
2-溴-5-甲基吡啶
~77%
18368-64-4
2-氯-5-甲基吡啶
~46%