2,6-Dichloro-4-(difluoromethyl)pyridine-3-sulfonyl chloride
2,4-Diamino-5-(difluoromethyl)pyridine-3-sulfonamide
3,6-Dichloro-2-(difluoromethyl)pyridine-5-sulfonyl chloride
2,5-Dichloro-4-(difluoromethyl)pyridine-3-sulfonyl chloride
+86(0) 189-6910-6387
[email protected]