InChI=1S/C27H28O17/c28-3-5-39-12-8-13(30)18-16(9-12)42-23(11-1-2-14(41-10-17(31)32)15(7-11)40-6-4-29)24(19(18)33)43-27-22(36)20(34)21(35)25(44-27)26(37)38/h1-2,7-9,20-22,25,27-30,34-36H,3-6,10H2,(H,31,32)(H,37,38)