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