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