Standard InChI: InChI=1S/C20H20N6O5/c21-17-13-7-10(1-6-14(13)25-20(22)26-17)9-23-12-4-2-11(3-5-12)18(29)24-15(19(30)31)8-16(27)28/h1-7,15,23H,8-9H2,(H,24,29)(H,27,28)(H,30,31)(H4,21,22,25,26)
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