166520-72-5 2H-1-Benzopyran-6-sulfonic acid, 2-oxo-, 2-phenylhydrazide

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Basic

CAS No. 166520-72-5
Product Name 2H-1-Benzopyran-6-sulfonic acid, 2-oxo-, 2-phenylhydrazide
Molecular Formula C15H12N2O4S

Physical property