Ethyl 6-fluoro-5-hydroxypicolinate
6-(Chloromethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxylic acid
3-(Chloromethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-5-sulfonyl chloride
6-(Chloromethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-sulfonyl chloride