InChI=1/C18H25N3O2/c1-2-13-5-3-7-16(11-13)20-18(23)21-10-4-6-14(12-21)17(22)19-15-8-9-15/h3,5,7,11,14-15H,2,4,6,8-10,12H2,1H3,(H,19,22)(H,20,23)/t14-/m1/s1/f/h19-20H D6C7EF08C0046CD7