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