Ethyl 3-(chloromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-2-acetate
2-Hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
4-(Difluoromethyl)-2-fluoro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-Hydroxy-3-nitro-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride