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