2-Fluoro-5-hydroxy-6-(trifluoromethoxy)pyridine-3-sulfonamide
4-Amino-2-(difluoromethyl)-5-methoxypyridine-3-carboxylic acid
2-(Pyridin-4-yl)-4-(trifluoromethyl)benzene-1-sulfonyl chloride
6-Chloro-4-(chloromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine