InChI=1/C19H19N3O2/c20-11-14-5-7-16(21-14)13-4-6-17-15(10-13)19(8-2-1-3-9-19)24-12-18(23)22-17/h4-7,10,20H,1-3,8-9,12H2,(H,21,22,23)/p-1/fC19H18N3O2/h20h,22H/q-1 96226BD59BF88DD4