3-Nitro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-sulfonyl chloride
2-(Bromomethyl)-6-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carbonyl chloride
3-Nitro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-sulfonyl chloride
2-(Bromomethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carbonyl chloride