InChI=1/C17H22N2O4/c1-22-10-15(20)19-12-6-8-17(9-7-12)11-18-16(21)13-4-2-3-5-14(13)23-17/h2-5,12H,6-11H2,1H3,(H,18,21)(H,19,20)/f/h18-19H 3D803A1699F9A224