2-Fluoro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-Chloro-6-(chloromethyl)-4-(difluoromethyl)-2-hydroxypyridine
3-(Chloromethyl)-4-methoxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
6-(Difluoromethyl)-4-methyl-2-nitropyridine-3-carboxylic acid