Methyl 3-bromo-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxylate
2-Chloro-5-iodo-3-(trifluoromethoxy)pyridine-6-sulfonamide
3-(Difluoromethyl)-2-methylpyridine-5-sulfonyl chloride
Methyl 6-(chloromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetate