InChI=1/C18H15N5O4/c24-17(19-8-15-20-11-3-1-2-4-12(11)21-15)18-22-16(23-27-18)10-5-6-13-14(7-10)26-9-25-13/h1-7,15,18H,8-9H2,(H,19,24)(H,22,23)/p+2/t18-/m1/s1/fC18H17N5O4/h19-22H/q+2 1768BE4F910D9C06