InChI=1/C18H19N3O2/c1-10-7-13-12-8-14(18(22)23)20-15(11-5-3-2-4-6-11)16(12)21-17(13)19-9-10/h7-9,11H,2-6H2,1H3,(H,19,21)(H,22,23)/f/h20-21H 62E1565677E7DFDE