InChI=1S/C41H46N4O3/c1-5-24-21-44-17-15-32-27-11-7-9-13-34(27)45-39(40(46)47-4)29(24)20-37(44)41(32,45)16-14-25-22-48-23-31-28(25)18-36-38-30(19-35(31)42(36)2)26-10-6-8-12-33(26)43(38)3/h5-14,16,22,28-29,31-32,35-37,39H,15,17-21,23H2,1-4H3/b16-14?,24-5-