InChI=1/C19H15N5O4/c25-16(7-10-9-20-15-4-2-1-3-12(10)15)23-24-19(28)21-11-5-6-13-14(8-11)18(27)22-17(13)26/h1-6,8-9,20H,7H2,(H,23,25)(H2,21,24,28)(H,22,26,27)/f/h21-24H AB28DBC360047503