3-Iodo-4-methyl-6-(trifluoromethoxy)pyridine-2-acetonitrile
2-Hydroxy-6-nitro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
6-Hydroxy-3-nitro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
2-Hydroxy-5-nitro-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine