InChI=1/C28H37N3O2/c1-20-11-12-22(3)25(18-20)29-27(32)26(23-9-5-4-6-10-23)30-16-13-24(14-17-30)28(33)31-15-7-8-21(2)19-31/h4-6,9-12,18,21,24,26H,7-8,13-17,19H2,1-3H3,(H,29,32)/t21-,26-/m1/s1/f/h29H 681D6A8B2C2FE744