InChI=1S/C35H28O15/c36-16-6-1-14(2-7-16)3-10-19-24-22(13-23(26(19)40)48-33-29(43)27(41)28(42)30(50-33)32(44)45)49-34(46)35(24)25-20(39)11-18(38)12-21(25)47-31(35)15-4-8-17(37)9-5-15/h1-13,27-31,33,36-43H,(H,44,45)/b10-3-