InChI
InChI=1S/C37H36N4O9/c1-22(2)33(40-36(44)48-21-32-30-10-6-4-8-28(30)29-9-5-7-11-31(29)32)35(43)38-23(3)34(42)39-25-14-12-24(13-15-25)20-49-37(45)50-27-18-16-26(17-19-27)41(46)47/h4-19,22-23,32-33H,20-21H2,1-3H3,(H,38,43)(H,39,42)(H,40,44)/t23-,33-/m0/s1