InChI=1/C19H30N2O2/c22-18(20-14-16-8-3-1-4-9-16)12-7-13-19(23)21-15-17-10-5-2-6-11-17/h1-3,5,16-17H,4,6-15H2,(H,20,22)(H,21,23)/t16-,17-/m0/s1/f/h20-21H 1338E314EA932E78