2-Fluoro-3-methyl-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Fluoro-5-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylic acid
3-Fluoro-5-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
3-Chloro-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylic acid