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