InChI=1/C20H27N3O2/c1-2-25-18-10-4-3-9-17(18)12-13-20(24)23-16-8-7-15-22-19-11-5-6-14-21-19/h3-6,9-11,14H,2,7-8,12-13,15-16H2,1H3,(H,21,22)(H,23,24)/p+1/fC20H28N3O2/h21-23H/q+1 E3697E9C032F4919