5-Chloro-4-(difluoromethyl)-2-fluoropyridine-3-sulfonyl chloride
2-Chloro-6-(difluoromethyl)-5-hydroxypyridine-3-methanol
5-Chloro-4-(difluoromethyl)-3-fluoropyridine-2-sulfonyl chloride
2-Chloro-6-(difluoromethyl)-4-hydroxypyridine-3-methanol
+86(0) 189-6910-6387
[email protected]