InChI=1/C18H28N2O/c1-12(2)8-17(18(21)19-4)20-16-10-15(11-16)14-7-5-6-13(3)9-14/h5-7,9,12,15-17,20H,8,10-11H2,1-4H3,(H,19,21)/p+1/t15?,16?,17-/m0/s1/fC18H29N2O/h19-20H/q+1 C8FD2771B20AF002