InChI=1/C18H20N2O/c1-11-9-13(15(19)12-7-5-4-6-8-12)16-14(10-11)18(2,3)17(21)20-16/h4-10,15H,19H2,1-3H3,(H,20,21)/p+1/t15-/m0/s1/fC18H21N2O/h19-20H/q+1 7E20983FAAC16275