2-Cyano-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
6-Cyano-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
Ethyl 3-nitro-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxylate
Ethyl 2-nitro-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-carboxylate