InChI=1/C19H16N4O3/c1-10(11-6-7-15-16(8-11)23-19(26)22-15)20-18(25)13-9-17(24)21-14-5-3-2-4-12(13)14/h2-10H,1H3,(H,20,25)(H,21,24)(H2,22,23,26)/t10-/m0/s1/f/h20-23H 588733652D5B5656