InChI=1S/C27H28O15/c28-8-16-18(30)19(31)22(34)26(41-16)39-11-3-1-10(2-4-11)14-9-38-15-7-12(5-6-13(15)17(14)29)40-27-23(35)20(32)21(33)24(42-27)25(36)37/h1-7,9,16,18-24,26-28,30-35H,8H2,(H,36,37)