4-Bromo-5-(difluoromethyl)pyridine-2-carboxaldehyde
5-(Bromomethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxaldehyde
4-(Bromomethyl)-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxaldehyde
4-(Bromomethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxaldehyde