Ethyl 5-cyano-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetate
Ethyl 2-cyano-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetate
3-(Difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-6-methanol
3-Cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-methanol