InChI=1S/C23H32O8/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-17(24)16(2)30-23-20(27)18(25)19(26)21(31-23)22(28)29/h9-10,16,18-21,23,25-27H,3-8,11H2,1-2H3,(H,28,29)/b10-9+