Ethyl 2,3-diamino-4-(difluoromethyl)pyridine-5-acetate
3-(Chloromethyl)-2,5-dibromo-4-(difluoromethyl)pyridine
Methyl 3,5-diamino-2-(difluoromethyl)pyridine-4-acetate
4-(Chloromethyl)-2,3-dibromo-5-(difluoromethyl)pyridine
+86(0) 189-6910-6387
[email protected]