2-(Difluoromethyl)-3-fluoro-6-methoxy-5-(trifluoromethoxy)pyridine
2-Cyano-5-(difluoromethyl)-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-(Difluoromethyl)-3-fluoro-5-methoxy-4-(trifluoromethoxy)pyridine
3-Cyano-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-5-methanol