英文别名Nicorandil Impurity 4 Dinitrate; 2-(N-(2-(nicotinamido)ethyl)nicotinamido)ethyl nitrate dinitrate; 2-(N-(2-(nicotinamido)ethyl)nicotinamido)ethyl nitrate; 3-Pyridinecarboxamide, N-[2-(nitrooxy)ethyl]-N-[2-[(3-pyridinylcarbonyl)amino]ethyl]-; Nicorandil Impurity M; 2-[pyridine-3-carbonyl-[2-(pyridine-3-carbonylamino)ethyl]amino]ethyl nitrate; 2-[(Pyridin-3-ylcarbonyl)-2-[(pyridin-3-ylcarbonyl)ethyl]amino]ethyl Nitrate; Nicorandil Impurity 
