Methyl 2-chloro-6-fluoro-3-(trifluoromethoxy)pyridine-4-carboxylate
2-Bromo-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid
Methyl 6-chloro-3-fluoro-4-(trifluoromethoxy)pyridine-2-carboxylate
2-Bromo-5-(fluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylic acid