2-(Bromomethyl)-5-(difluoromethyl)-6-fluoro-3-methoxypyridine
2-(Bromomethyl)-3-(difluoromethyl)-5-fluoro-4-methoxypyridine
2-(Difluoromethyl)-5-fluoro-4-methoxy-3-(trifluoromethyl)pyridine
3-(Chloromethyl)-6-(difluoromethyl)-2-fluoro-4-methoxypyridine