InChI=1/C14H14N4O5/c19-6-5-17-7-10-11(13(17)20)12(16-14(21)15-10)8-1-3-9(4-2-8)18(22)23/h1-4,12,19H,5-7H2,(H2,15,16,21)/t12-/m0/s1/f/h15-16H 41748F6C0278C73E