InChI=1/C19H20N2O/c1-3-13-20-19(22)15-21(2)14-16-9-11-18(12-10-16)17-7-5-4-6-8-17/h1,4-12H,13-15H2,2H3,(H,20,22)/f/h20H 816A597117C27AAB