2-(Chloromethyl)-3-(difluoromethyl)-5-methylpyridine-4-carboxylic acid
2-(Chloromethyl)-3-(difluoromethyl)-4-methylpyridine-6-carboxylic acid
2-(Chloromethyl)-3-(difluoromethyl)-4-methylpyridine-5-carboxylic acid
3-(Chloromethyl)-6-(difluoromethyl)-2-methylpyridine-4-carboxaldehyde