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