InChI=1/C19H16N5O/c1-24-6-5-14-15(8-20)18(23)19(10-21,11-22)17(16(14)9-24)12-3-2-4-13(25)7-12/h2-5,7,15-17,25H,6,9H2,1H3/q-1/t15-,16+,17-/m1/s1 6E00E1940176854A