InChI=1/C19H15N5O4/c1-9-7-11(24(25)26)3-4-12(9)14-5-6-15(27-14)17-13(8-20)18(21)28-19-16(17)10(2)22-23-19/h3-7,17,19H,21H2,1-2H3/t17-,19-/m0/s1 A0293FF9D67666C5