3-Cyano-5-nitro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
2-(Aminomethyl)-4-cyano-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-Cyano-4-nitro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Cyano-4-nitro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine