Ethyl 3-fluoro-2-(perfluorophenyl)isonicotinate
3-Hydroxy-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxylic acid
Ethyl 2-chloro-3-(trifluoromethoxy)pyridine-4-acetate
4-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-acetic acid