InChI=1/C28H32N2O3/c31-26(25-7-4-12-30(25)27(32)33-24-5-2-1-3-6-24)29-23-10-8-22(9-11-23)28-16-19-13-20(17-28)15-21(14-19)18-28/h1-3,5-6,8-11,19-21,25H,4,7,12-18H2,(H,29,31)/t19?,20?,21?,25-,28?/m0/s1/f/h29H E42155A0959A4409