InChI=1/C20H17N5O4/c21-18(22)11-3-1-5-14(7-11)28-16-9-13(20(26)27)10-17(25-16)29-15-6-2-4-12(8-15)19(23)24/h1-10H,(H3,21,22)(H3,23,24)(H,26,27)/p+1/fC20H18N5O4/h21-24H2/q+1 F1BDD9C6FF19C7C9