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