3-Bromo-2-chloro-4-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Amino-2-nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
6-Bromo-4-chloro-2-methyl-3-(trifluoromethoxy)pyridine
5-Amino-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide
+86(0) 189-6910-6387
[email protected]