InChI=1S/C30H22O9/c1-11-7-14-22(18(33)8-11)29(38)39-28(14)30-10-12-9-19(34)23-24(20(12)15(30)5-6-17(32)27(30)37)25(35)13-3-2-4-16(31)21(13)26(23)36/h2-9,15,17,27-28,31-34,37H,10H2,1H3/t15-,17-,27-,28+,30-/m1/s1