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SCFBio, IIT Delhi
Formula: C11H9N3NaO2+ | Mol. Weight: 238.20 g/mol
IUPAC: sodium;4-(pyridin-2-yldiazenyl)benzene-1,3-diol
C1=CC=NC(=C1)N=NC2=C(C=C(C=C2)O)O.[Na+]