3,5-Bis(3,4-dichlorophenyl)-2-mercaptopyridine
3-(Difluoromethyl)-2,5-dimethoxypyridine-6-carboxylic acid
3-(Difluoromethyl)-4-nitro-6-(trifluoromethyl)pyridine-2-sulfonyl chloride
3-(Bromomethyl)-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-sulfonyl chloride