1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-(beta-L-glucopyranosyloxy)- 4-ethyl-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinolin-4-yl beta-glucopyranoside InChI=1/C26H26N2O9/c1-2-26(37-24-22(32)21(31)20(30)18(10-29)36-24)15-8-17-19-13(7-12-5-3-4-6-16(12)27-19)9-28(17)23(33)14(15)11-35-25(26)34/h3-8,18,20-22,24,29-32H,2,9-11H2,1H3/t18-,20-,21+,22-,24+,26?/m0/s