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