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