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
Ethyl 3-(chloromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-5-acetate