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