InChI=1S/C31H28O14/c1-41-15-4-2-3-12(5-15)27-17(11-32)16-6-13(7-19(35)28(16)44-27)20-10-18(34)23-21(42-20)8-14(33)9-22(23)43-31-26(38)24(36)25(37)29(45-31)30(39)40/h2-9,11,17,20,24-27,29,31,33,35-38H,10H2,1H3,(H,39,40)