InChI=1S/C37H44N4O3/c1-3-4-5-6-28-7-17-33(18-8-28)37(43)41(34-19-23-40(24-20-34)27-35-38-21-22-39-35)26-30-11-15-32(16-12-30)31-13-9-29(10-14-31)25-36(42)44-2/h7-18,21-22,34H,3-6,19-20,23-27H2,1-2H3,(H,38,39)