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