166520-73-6 2H-1-Benzopyran-6-sulfonic acid, 2-oxo-,2-(2,4-dinitrophenyl)hydrazide

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Basic

CAS No. 166520-73-6
Product Name 2H-1-Benzopyran-6-sulfonic acid, 2-oxo-,2-(2,4-dinitrophenyl)hydrazide
Molecular Formula C15H10N4O8S

Physical property