InChI=1S/C31H28O15/c1-42-22-6-13(2-4-17(22)33)3-5-25(37)43-12-24-27(39)28(40)29(41)31(46-24)45-23-11-16-18(34)9-15(32)10-21(16)44-30(23)14-7-19(35)26(38)20(36)8-14/h2-11,24,27-29,31,39-41H,12H2,1H3,(H5-,32,33,34,35,36,37,38)/p+1/t24-,27-,28+,29-,31-/m1/s1