InChI=1/C24H34N2O3/c1-24(2,3)19-5-9-23(10-6-19)29-18-21(27)17-25-13-15-26(16-14-25)20-7-11-22(28-4)12-8-20/h5-12,21,27H,13-18H2,1-4H3/t21-/m1/s1 DB72E7F70192A424