InChI=1S/C27H28O16/c1-39-23-14(24-18(33)15(30)11(29)7-40-24)22-13(16(31)19(23)34)10(28)6-12(42-22)8-2-4-9(5-3-8)41-27-21(36)17(32)20(35)25(43-27)26(37)38/h2-6,11,15,17-18,20-21,24-25,27,29-36H,7H2,1H3,(H,37,38)