InChI=1S/C27H28O15/c28-8-16-18(30)19(31)22(34)26(41-16)40-12-5-6-13-15(7-12)38-9-14(17(13)29)10-1-3-11(4-2-10)39-27-23(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)