4-(Difluoromethyl)-5-fluoro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
6-(Difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-4-methanol
2-(Difluoromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-4-acetic acid
2-Hydroxy-4-methyl-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride