421-20-5
氟磺酸甲酯
+
2402-79-1
2,3,5,6-四氯吡啶
→
~91%
75348-52-6
3,5,6-trichloro-1-methylpyridin-2-one
6515-38-4
3,5,6-三氯吡啶-2-醇
74-88-4
甲基碘
31557-34-3
2,3,5-trichloro-6-methoxypyridine