Methyl 5-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
4-(Bromomethyl)-2-fluoro-5-methyl-3-(trifluoromethoxy)pyridine
Methyl 3-cyano-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate
3-Cyano-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetic acid