InChI=1S/C19H24N2O3/c1-14-12-18(24-21-14)6-4-3-5-11-22-17-9-7-16(8-10-17)19-20-15(2)13-23-19/h7-10,12,15H,3-6,11,13H2,1-2H3/t15-/m0/s1