2-Chloro-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
4-Chloro-3-(chloromethyl)-2-methyl-6-(trifluoromethoxy)pyridine
6-Cyano-2-methyl-4-nitro-3-(trifluoromethoxy)pyridine
3-Chloro-6-(difluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine