InChI=1/C20H33N3O2/c1-21-19(25)13-23-4-2-17(3-5-23)22-18(24)12-20-9-14-6-15(10-20)8-16(7-14)11-20/h14-17H,2-13H2,1H3,(H,21,25)(H,22,24)/p+1/fC20H34N3O2/h21-23H/q+1 1D05F21EA58937E7