InChI=1S/C28H24O15S/c1-40-28(36)25(14-17-3-7-19(30)23(12-17)43-44(37,38)39)41-22-8-4-15(10-21(22)32)5-9-26(33)42-24(27(34)35)13-16-2-6-18(29)20(31)11-16/h2-12,14,24,29-32H,13H2,1H3,(H,34,35)(H,37,38,39)/b9-5+,25-14-