名称： Ketotifen Hydrogen Fumarate Imp. D (EP): 4-[(aRaS)-1-Methylpiperidin-4-ylidene]-4,9-dihydro-10H-benzo[4,5]-cyclohepta[1,2-b]thiophen-10-one N-Oxide(Ketotifen N-Oxide)规格： 100 mg