InChI=1/C18H15N3O2/c1-18(2)14-9-13(6-7-15(14)21-17(18)23)20-16(22)12-5-3-4-11(8-12)10-19/h3-9H,1-2H3,(H,20,22)(H,21,23)/f/h20-21H AD413AC932D3D7A6