TTC50: Topotecan (R)-Isomer

(4R)-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 # 1797985-73-9 ;

C23H23N3O5 ;
Mol. Wt.: 421.45 ;