InChI=1/C19H24N2O3/c22-18(21-11-5-14-3-1-2-4-16(14)13-21)15-6-9-20(10-7-15)17-8-12-24-19(17)23/h1-4,15,17H,5-13H2/t17-/m0/s1 5B473491C318C4F8