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