英文别名Irinotecan EP Impurity L; Irinotecan Impurity 18; [(19R)-10,19-diethyl-19-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-7-yl] 4-piperidin-1-ylpiperidine-1-carboxylate; [1,4'-Bipiperidine]-1'-carboxylic acid, (4R)-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; (R)-Irinotecan; (4R)-4,11-Diethyl-4-hydroxy-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano[3'',4'':6,7]indolizino[1,2-b]quinolin-9-yl 1,4''-bipiperidine-1''-carboxylate