InChI=1/C17H18N2O3/c1-17(2,13-6-4-3-5-7-13)16(21)18-14-10-8-12(9-11-14)15(20)19-22/h3-11,22H,1-2H3,(H,18,21)(H,19,20)/f/h18-19H FB97A899BA4F543F