2-Cyano-3-methyl-4-(trifluoromethoxy)pyridine-5-sulfonamide
Methyl 2-(chloromethyl)-6-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2-(chloromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine-4-carboxylate
5-(Chloromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylic acid