InChI=1/C28H31N3O2/c1-20-9-7-8-12-24(20)29-27(32)33-22-13-14-25-23(19-22)28(2)16-18-31(26(28)30(25)3)17-15-21-10-5-4-6-11-21/h4-14,19,26H,15-18H2,1-3H3,(H,29,32)/t26-,28+/m1/s1/f/h29H 7C0215BCEE80B54A