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649557-82-4 2h-1-benzopyran-6-sulfonic acid, 2-oxo-,2-[1-[(aminocarbonyl)hydrazono]ethyl]phenyl este

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Product Name 2H-1-Benzopyran-6-sulfonic acid, 2-oxo-,2-[1-[(aminocarbonyl)hydrazono]ethyl]phenyl ester
CAS No. 649557-82-4
Molecular Formula C18H15N3O6S