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