InChI=1/C19H18N2O2/c22-17(11-13-5-2-1-3-6-13)21-10-9-14-7-4-8-15-18(14)16(21)12-20-19(15)23/h1-8,16H,9-12H2,(H,20,23)/t16-/m0/s1/f/h20H	843D09759E2542A1