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166520-82-7 2h-1-benzopyran-6-sulfonic acid, 2-oxo-,2-[(phenylamino)thioxomethyl]hydrazide

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Product Name 2H-1-Benzopyran-6-sulfonic acid, 2-oxo-,2-[(phenylamino)thioxomethyl]hydrazide
CAS No. 166520-82-7
Molecular Formula C16H13N3O4S2