InChI=1/C19H16N6O2/c1-2-12-9-18(26)22-17-10-14(6-7-16(12)17)21-19(27)13-4-3-5-15(8-13)25-11-20-23-24-25/h3-11H,2H2,1H3,(H,21,27)(H,22,26)/f/h21-22H 63D2EA98E1BAFDBE