5-(Difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine
2-Bromo-6-(difluoromethyl)pyridine-3-carboxylic acid
4-(Difluoromethyl)-2-nitro-5-(trifluoromethyl)pyridine
2-Bromo-5-(difluoromethyl)pyridine-3-carboxylic acid
+86(0) 189-6910-6387
[email protected]