InChI=1S/C42H34O9/c43-28-9-3-22(4-10-28)1-2-23-15-33(48)39-35(16-23)50-42(25-7-13-30(45)14-8-25)38(39)27-19-34(49)40-36(20-27)51-41(24-5-11-29(44)12-6-24)37(40)26-17-31(46)21-32(47)18-26/h3-21,37-38,41-49H,1-2H2/t37-,38+,41+,42-/m1/s1