2,4-Difluoro-5-(difluoromethyl)pyridine-3-sulfonamide
2,3-Difluoro-6-(difluoromethyl)pyridine-5-sulfonamide
2,3-Difluoro-5-(difluoromethyl)pyridine-4-sulfonamide
Methyl 4,5-dichloro-3-(difluoromethyl)pyridine-2-acetate
+86(0) 189-6910-6387
[email protected]