InChI=1/C18H27N3O2/c1-21(12-16(19)22)13-17(23)20-18(14-8-4-2-5-9-14)15-10-6-3-7-11-15/h2,4-5,8-9,15,18H,3,6-7,10-13H2,1H3,(H2,19,22)(H,20,23)/t18-/m0/s1/f/h20H,19H2 CD8B14845C34DF8A