166520-81-6 2h-1-benzopyran-6-sulfonic acid, 2-oxo-,2-[(phenylamino)carbonyl]hydrazide

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Product Name	2H-1-Benzopyran-6-sulfonic acid, 2-oxo-,2-[(phenylamino)carbonyl]hydrazide
CAS No.	166520-81-6
Molecular Formula	C₁₆H₁₃N₃O₅S

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