InChI=1/C19H17N3/c1-12-8-14(3)15(9-13(12)2)10-16(11-20)19-21-17-6-4-5-7-18(17)22-19/h4-10H,1-3H3,(H,21,22)/b16-10-/f/h21H 8522C325959DAED8