InChI=1/C18H28N2O/c1-13-10-14(2)17(15(3)11-13)12-19-9-8-18(21)20-16-6-4-5-7-16/h10-11,16,19H,4-9,12H2,1-3H3,(H,20,21)/p+1/fC18H29N2O/h19-20H/q+1 F90275AF7CB9A4E8