3-(Bromomethyl)-6-fluoro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-(Difluoromethyl)-2-fluoro-5-methyl-3-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-fluoro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
5-(Difluoromethyl)-3-fluoro-2-methyl-4-(trifluoromethoxy)pyridine