3-(Difluoromethyl)-2-iodopyridine-6-carboxaldehyde
4-(Bromomethyl)-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-sulfonyl chloride
2-(Bromomethyl)-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carbonyl chloride
6-(Difluoromethyl)-2-iodopyridine-3-carboxaldehyde