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