InChI=1/C19H16N4O3/c1-10(11-6-7-14-15(8-11)23-19(26)22-14)20-18(25)16-9-17(24)12-4-2-3-5-13(12)21-16/h2-10H,1H3,(H,20,25)(H,21,24)(H2,22,23,26)/t10-/m0/s1/f/h20-23H 5CAC443490CE2A0C