3-Fluoro-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-(Difluoromethyl)-2-hydroxy-4-methyl-5-(trifluoromethoxy)pyridine
5-Fluoro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Fluoro-3-(fluoromethyl)-2-(trifluoromethoxy)pyridine-5-acetic acid