InChI=1S/C23H28O16/c1-33-9-5-8-7(3-4-11(25)35-8)17(18(9)34-2)37-23-16(30)19(12(26)10(6-24)36-23)38-22-15(29)13(27)14(28)20(39-22)21(31)32/h3-5,10,12-16,19-20,22-24,26-30H,6H2,1-2H3,(H,31,32)