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