2-Chloro-3,5-diamino-4-(difluoromethyl)pyridine
3-Chloro-2,5-diamino-4-(difluoromethyl)pyridine
4-Chloro-2-(difluoromethyl)pyridine-5-sulfonyl chloride
2-Chloro-4-(difluoromethyl)pyridine-5-sulfonyl chloride
+86(0) 189-6910-6387
[email protected]