4-Bromo-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Chloro-2-fluoro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-(Aminomethyl)-4-bromo-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-(Aminomethyl)-2-bromo-5-(trifluoromethoxy)pyridine-6-carboxaldehyde