NSC43997;3,4-Bis((5-(hydroxy(oxido)amino)-2-pyridinyl)hydrazono)-3,4-dihydro-1-naphthalenesulfonic acid;6311-05-3;AC1NE2C1;NSC 43997;4-[(5-nitropyridin-2-yl)diazenyl]-3-[2-(5-nitropyridin-2-yl)hydrazinyl]naphthalene-1-sulfonic acid
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