Product Name：Topotecan
Synonyms： 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, HCl salt; Hycamptamine;
Molecular Formula：C23H23N3O5
Molecular Weight：421.45
