InChI=1S/C23H22O12/c1-32-12-2-8-6-23(7-33-14-4-9(24)3-11(25)15(14)20(23)29)10(8)5-13(12)34-22-18(28)16(26)17(27)19(35-22)21(30)31/h2-5,16-19,22,24-28H,6-7H2,1H3,(H,30,31)