InChI=1/C19H15N5O4/c1-11-20-15-5-3-2-4-14(15)18(27)24(11)13-8-6-12(7-9-13)17(26)22-23-10-16(25)21-19(23)28/h2-9H,10H2,1H3,(H,22,26)(H,21,25,28)/p-1/fC19H14N5O4/h22H/q-1 061CD72B8EC6FE5A