2-(Bromomethyl)-3-(difluoromethyl)-5-methoxypyridine-4-carboxylic acid
2-(Bromomethyl)-3-(difluoromethyl)-4-methoxypyridine-5-carboxylic acid
6-(Bromomethyl)-3-(difluoromethyl)-4-methoxypyridine-2-carboxylic acid
3-(Bromomethyl)-6-(difluoromethyl)-2-methoxypyridine-5-carboxaldehyde