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