InChI=1/C20H18N4O3/c1-11-3-2-4-12-7-13(10-25)19(24-18(11)12)15-8-16(22-9-17(26)27)23-20-14(15)5-6-21-20/h2-8,25H,9-10H2,1H3,(H,26,27)(H2,21,22,23)/p-1/fC20H17N4O3/h21-22H/q-1 444611E0D5EAD1E4