InChI=1/C19H16N4O/c1-24-13-7-5-12(6-8-13)17-15-4-2-3-14(15)16(9-20)18(23)19(17,10-21)11-22/h3,5-8,15,17H,2,4,23H2,1H3/t15-,17+/m1/s1 79F0999953E5CDE1