De-Cheng Yu

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The title compound, C(13)H(13)N(5)O, crystallizes with two mol-ecules in the asymmetric unit. The crystal structure is stabilized by intra-molecular N-H⋯N and N-H⋯O hydrogen bonds. The dihedral angles between the pyrazine ring and the 4-aminolphenyl ring are 2.5 (1) and 6.5 (1)° in the two molecules.
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