Methyl 2,3-dibromo-6-(difluoromethyl)pyridine-5-carboxylate
4-(Bromomethyl)-3-(difluoromethyl)-2-(trifluoromethyl)pyridine
3-(Difluoromethyl)-4-(trifluoromethyl)pyridine-2-carboxaldehyde
3-(Difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxaldehyde