C(COCN1C2=C(C(=O)N=C(N2)N)NC1=O)O
InChI=1S/C8H11N5O4/c9-7-11-5-4(6(15)12-7)10-8(16)13(5)3-17-2-1-14/h14H,1-3H2,(H,10,16)(H3,9,11,12,15)
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