2-Chloro-4-fluoro-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
6-Bromo-4-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Chloro-4-fluoro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Bromo-4-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylic acid