InChI=1/C21H35N3O2/c1-6-7-10-13-24(17(4)5)15-20(25)23-19-12-9-8-11-18(19)21(26)22-14-16(2)3/h8-9,11-12,16-17H,6-7,10,13-15H2,1-5H3,(H,22,26)(H,23,25)/p+1/fC21H36N3O2/h22-24H/q+1 19DCC635F7A0FB8E