InChI=1/C28H31N5O4/c1-4-33(5-2)22-15-11-20(12-16-22)19-29-32-28(36)27(35)31-25-10-8-7-9-24(25)26(34)30-21-13-17-23(18-14-21)37-6-3/h7-19H,4-6H2,1-3H3,(H,30,34)(H,31,35)(H,32,36)/b29-19+/f/h30-32H 83A8657BB09FBA42