InChI=1/C18H13N5O3/c1-23-8-10(11-5-15-16(6-14(11)23)26-9-25-15)4-12-17(21-22-18(12)24)13-7-19-2-3-20-13/h2-8H,9H2,1H3,(H,22,24)/b12-4-/f/h22H 012F685E9C46B09A