InChI=1/C18H27N3O2/c1-12-7-5-6-8-15(12)19-17(22)18(23)20-16-10-9-14(21(3)4)11-13(16)2/h9-12,15H,5-8H2,1-4H3,(H,19,22)(H,20,23)/t12-,15+/m0/s1/f/h19-20H 1F1CB9FEB6A80E98