6-Bromo-4-chloro-2-(difluoromethyl)pyridine-3-sulfonamide
3-Bromo-4-chloro-2-(difluoromethyl)pyridine-5-carbonyl chloride
2-Bromo-3-chloro-6-(difluoromethyl)pyridine-5-sulfonamide
3-Bromo-6-chloro-2-(difluoromethyl)-5-methylpyridine
+86(0) 189-6910-6387
[email protected]