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