3-Cyano-4-nitro-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
6-Cyano-4-nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
Ethyl 2-chloro-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate
4-Cyano-5-methyl-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine