InChI=1S/C23H32O17/c1-3-7-8(4-11(24)25)9(20(34)35-2)5-36-21(7)40-23-17(31)13(27)12(26)10(38-23)6-37-22-16(30)14(28)15(29)18(39-22)19(32)33/h3,5,8,10,12-18,21-23,26-31H,4,6H2,1-2H3,(H,24,25)(H,32,33)/b7-3-