InChI=1S/C27H28O17/c28-3-5-39-14-2-1-11(7-15(14)40-6-4-29)24-21(34)19(32)18-13(30)8-12(9-16(18)42-24)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)