InChI=1/C18H26N2O2/c1-11-6-5-9-15(12(11)2)19-17(21)14-10-13-7-3-4-8-16(13)20-18(14)22/h10-12,15H,3-9H2,1-2H3,(H,19,21)(H,20,22)/t11-,12+,15-/m0/s1/f/h19-20H A73589BD054F5F83