中文名稱： Topotecan  英文別名： 1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione,4-ethyl-4,9-dihydroxy-10-[(dimethylamino)methyl]-, hydrochloride, (S); 9-Dimethylaminomethyl-10-hydroxycamptothecin, HClsalt;Hycamptamine;;10-[(dimethylamino)methyl]-4-ethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione  CAS號： 123948-87-8  分子式： C23H23N3O5  分子量： 421.4458  密度： 1.49g/cm3  沸點： 782.9°C at 760 mmHg  閃點： 427.3°C  蒸汽壓： 8.13E-26mmHg at 25°C