InChI=1/C28H27N3O3/c1-21-7-9-23(10-8-21)20-31(28(33)26-6-4-18-34-26)25-13-11-22(12-14-25)19-27(32)30-17-15-24-5-2-3-16-29-24/h2-14,16,18H,15,17,19-20H2,1H3,(H,30,32)/f/h30H BC6DCDBC7A5F44C5