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