InChI=1S/C23H22O15/c1-34-10-6-23(33,4-3-7(10)24)20-16(29)12(25)11-8(36-20)5-9(18(35-2)13(11)26)37-22-17(30)14(27)15(28)19(38-22)21(31)32/h3-6,14-15,17,19,22,26-30,33H,1-2H3,(H,31,32)