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