InChI=1/C20H16N6O3/c1-11-18-14(12-5-4-6-13(9-12)26(28)29)10-17(27)23-19(18)25(24-11)20-21-15-7-2-3-8-16(15)22-20/h2-9,14H,10H2,1H3,(H,21,22)(H,23,27)/t14-/m0/s1/f/h21,23H 22AD476942AC9483