C21H18N2O6
Neat
394.38
2569708-76-3; (S)-4-ethyl-4, 9-dihydroxy-10-methoxy-1, 12-dihydro-14H-pyrano[3', 4':6, 7]indolizino[1, 2-b]quinoline-3 and 14(4H)-dione; Camptothecin Impurity 26
(19S)-19-ethyl-7, 19-dihydroxy-8-methoxy-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)-heptaene-14 and 18-dione
InChI=1S/C21H18N2O6/c1-3-21(27)13-7-15-17-10(8-23(15)19(25)12(13)9-29-20(21)26)6-11-14(22-17)4-5-16(24)18(11)28-2/h4-7,24,27H,3,8-9H2,1-2H3/t21-/m0/s1