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