Methyl 4-cyano-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
4-(Bromomethyl)-3-fluoro-5-methyl-2-(trifluoromethoxy)pyridine
Methyl 5-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
4-(Bromomethyl)-2-fluoro-5-methyl-3-(trifluoromethoxy)pyridine