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