InChI=1S/C31H34O17/c1-12(33)42-11-22-29(43-13(2)34)26(39)28(41)31(48-22)45-16-7-17(35)23-18(36)9-19(46-20(23)8-16)14-3-5-15(6-4-14)44-30-27(40)25(38)24(37)21(10-32)47-30/h3-9,21-22,24-32,35,37-41H,10-11H2,1-2H3/t21-,22-,24-,25-,26+,27-,28-,29-,30-,31-/m1/s1