3-Fluoro-5-methoxy-2-(trifluoromethoxy)pyridine-4-carboxylic acid
6-(Chloromethyl)-2-fluoro-4-methoxy-3-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-6-fluoro-3-methoxy-2-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-6-fluoro-3-methoxy-4-(trifluoromethoxy)pyridine