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