Methyl 3-(difluoromethyl)-4-methoxy-5-nitropyridine-2-carboxylate
3-(Difluoromethyl)-2-methoxy-6-nitropyridine-5-acetonitrile
Methyl 3-(difluoromethyl)-4-methoxy-2-nitropyridine-5-carboxylate
3-(Difluoromethyl)-2-methoxy-5-nitropyridine-6-acetonitrile