4-Chloro-2-methoxypyridine-3-sulfonyl chloride
2-Chloro-4-methoxypyridine-6-sulfonyl chloride
3-(Difluoromethyl)-4-hydroxy-2-iodopyridine-6-sulfonyl chloride
3-(Difluoromethyl)-2-hydroxy-6-iodopyridine-5-sulfonyl chloride
+86(0) 189-6910-6387
[email protected]