Ethyl 3-(difluoromethyl)-4-methyl-5-nitropyridine-2-acetate
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