InChI=1/C18H24N2O/c1-3-5-12-20-17(11-10-16(13-19)18(20)21)15-8-6-14(4-2)7-9-15/h6-11H,3-5,12-13,19H2,1-2H3/p+1/fC18H25N2O/h19H/q+1 D4CB3A3221805044