InChI=1/C15H14N4O5/c1-15(10-6-8-4-2-3-5-9(8)24-10)12(21)19(14(23)18-15)7-11(20)17-13(16)22/h2-6H,7H2,1H3,(H,18,23)(H3,16,17,20,22)/t15-/m1/s1/f/h17-18H,16H2 37192B8DF520EC11