2-Chloro-6-methyl-4-(trifluoromethoxy)pyridine-3-sulfonamide
3-Bromo-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Chloro-5-methyl-6-(trifluoromethoxy)pyridine-3-sulfonamide
5-Bromo-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde