InChI=1S/C23H22O12/c1-31-20-14(34-23-19(29)17(27)18(28)21(35-23)22(30)32-2)8-13-15(16(20)26)11(25)7-12(33-13)9-3-5-10(24)6-4-9/h3-8,17-19,21,23-24,26-29H,1-2H3/t17-,18-,19+,21-,23+/m0/s1