InChI=1S/C29H28O15/c30-17-5-1-15(11-19(17)32)3-8-24(36)42-21-13-29(41,28(39)40)14-22(27(21)44-26(38)10-7-23(34)35)43-25(37)9-4-16-2-6-18(31)20(33)12-16/h1-6,8-9,11-12,21-22,27,30-33,41H,7,10,13-14H2,(H,34,35)(H,39,40)/b8-3+,9-4+