InChI=1/C17H16N2O/c20-17-14(13-6-2-4-8-16(13)19-17)10-12-9-11-5-1-3-7-15(11)18-12/h2,4,6,8-10,18H,1,3,5,7H2,(H,19,20)/b14-10-/f/h19H CA430DFC85CC888C