InChI=1/C21H27N3O2/c1-17-10-12-19(13-11-17)23-21(26)16-24(2)15-20(25)22-14-6-9-18-7-4-3-5-8-18/h3-5,7-8,10-13H,6,9,14-16H2,1-2H3,(H,22,25)(H,23,26)/p+1/fC21H28N3O2/h22-24H/q+1 4DB1B499D33F40C1