InChI=1/C19H16N4O/c1-2-12-7-9-13(10-8-12)17-14(11-20)18(24)22-19-21-15-5-3-4-6-16(15)23(17)19/h3-10,14,17H,2H2,1H3,(H,21,22,24)/t14-,17-/m0/s1/f/h21H A3112D63842094B8