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