InChI=1S/C26H26O15/c27-10-5-11(28)16(23-19(33)17(31)13(30)7-38-23)22-15(10)12(29)6-14(40-22)8-2-1-3-9(4-8)39-26-21(35)18(32)20(34)24(41-26)25(36)37/h1-6,13,17-21,23-24,26-28,30-35H,7H2,(H,36,37)