InChI=1S/C31H28O15/c1-42-13-4-2-3-11(5-13)26-21(29(38)39)15-6-12(7-18(34)27(15)45-26)19-10-17(33)22-16(32)8-14(9-20(22)44-19)43-31-25(37)23(35)24(36)28(46-31)30(40)41/h2-9,19,21,23-26,28,31-32,34-37H,10H2,1H3,(H,38,39)(H,40,41)