InChI=1/C17H17N3/c1-12-7-8-16-14(9-12)11-15(17(19-16)20-18)10-13-5-3-2-4-6-13/h2-9,11H,10,18H2,1H3,(H,19,20)/f/h20H FD88C2C4E57F5990