InChI=1/C18H16N2O/c1-9-5-6-14-12(7-9)15-13-8-19-18(21)16(13)10-3-2-4-11(10)17(15)20-14/h5-7,20H,2-4,8H2,1H3,(H,19,21)/f/h19H	918A5F6812DAC1FF