3,4-Dichloro-6-(difluoromethyl)pyridine-2-sulfonamide
4-(Chloromethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-sulfonamide
4-Chloro-3-methyl-5-(trifluoromethoxy)pyridine-2-carboxylic acid
3,6-Dimethyl-2-(fluoromethyl)-5-(trifluoromethoxy)pyridine