5-(Bromomethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-sulfonyl chloride
5-(Difluoromethyl)-3-iodopyridine-2-carboxaldehyde
3-(Bromomethyl)-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-carbonyl chloride
4-(Bromomethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-sulfonyl chloride