(+)-Irinotecan (1,4'-Bipiperidine)-1'-carboxylic acid, 4,11-diethyl-3,4,12-14-tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano(3',4':6,7)indolizino(1,2-b)quinolin-9-yl ester, (S)- 97682-44-5 Camptosar Irinotecan Irinotecanum [INN-Latin]