4-(Difluoromethyl)-5-nitro-2-(trifluoromethyl)pyridine-3-acetonitrile
Methyl 4-(difluoromethyl)-2-methyl-5-(trifluoromethyl)pyridine-3-acetate
Methyl 2-(difluoromethyl)-6-nitro-5-(trifluoromethyl)pyridine-3-carboxylate
Methyl 5-(difluoromethyl)-3-methyl-4-(trifluoromethyl)pyridine-2-acetate