2-(Bromomethyl)-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-(Difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2-(Bromomethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxaldehyde