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