InChI=1S/C40H44N2O3/c1-27(2)23-29-14-18-31(19-15-29)39(32-20-16-30(17-21-32)24-28(3)4)41-34-10-7-9-33(25-34)40(45)36-26-42(22-8-13-38(43)44)37-12-6-5-11-35(36)37/h5-7,9-12,14-21,25-28,39,41H,8,13,22-24H2,1-4H3,(H,43,44)