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