InChI=1/C27H34N2O3/c1-4-14-27(32,15-5-2)20(3)28-24(30)12-16-26(17-13-25(31)29-26)19-21-10-11-22-8-6-7-9-23(22)18-21/h4-11,18,20,32H,1-2,12-17,19H2,3H3,(H,28,30)(H,29,31)/t20-,26+/m1/s1/f/h28-29H 3589808B7E0B7E69