Methyl 2-bromo-6-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate
4-Bromo-3-nitro-2-(trifluoromethoxy)pyridine-6-methanol
6-Bromo-4-(fluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine
Methyl 2-bromo-5-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate