Methyl 3-nitro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-acetate
2-Cyano-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
Methyl 5-nitro-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-acetate
Methyl 3-nitro-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetate