InChI=1/C22H26N2O2/c1-26-21(25)23-14-12-22(13-15-23)16-24(17-22)20(18-8-4-2-5-9-18)19-10-6-3-7-11-19/h2-11,20H,12-17H2,1H3 D93EBC82E340D031