6-Fluoro-4-methyl-3-(trifluoromethoxy)pyridine-2-acetic acid
5-(Bromomethyl)-3-(difluoromethyl)-4-fluoropyridine-2-acetic acid
6-(Chloromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-(Chloromethyl)-5-iodo-3-(trifluoromethoxy)pyridine-6-carboxylic acid