2-(Difluoromethyl)-4-fluoro-5-methylpyridine-3-carboxaldehyde
6-(Difluoromethyl)-3-fluoro-4-methoxypyridine-2-carboxylic acid
3-(Difluoromethyl)-5-fluoro-6-methylpyridine-2-carboxylic acid
2-(Difluoromethyl)-5-fluoro-3-methoxypyridine-4-carboxylic acid