InChI=1/C18H23N3O/c1-21(2)11-12-22-17-10-9-14(13-5-3-6-15(13)17)16-7-4-8-18(19)20-16/h4,7-10H,3,5-6,11-12H2,1-2H3,(H2,19,20)/p+2/fC18H25N3O/h20-21H,19H2/q+2 636AF1FCE82A4528