4-Nitro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxaldehyde
2-Nitro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxylic acid
2-Nitro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-carboxylic acid
4-Nitro-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-carboxaldehyde