InChI=1S/C23H20O12/c1-8(24)33-7-9-5-11-15(17(27)14-10(16(11)26)3-2-4-12(14)25)13(6-9)34-23-20(30)18(28)19(29)21(35-23)22(31)32/h2-6,18-21,23,25,28-30H,7H2,1H3,(H,31,32)