Ethyl 4-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-acetate
4-Fluoro-2-hydroxy-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
Ethyl 6-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-4-acetate
3-Fluoro-2-hydroxy-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride