2-(Bromomethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-Nitro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-sulfonamide
5-Nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-sulfonamide