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170465-41-5 2h-1-benzopyran-2,4(3h)-dione, 3-[(2-phenylhydrazino)methylene]-

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Product Name 2H-1-Benzopyran-2,4(3H)-dione, 3-[(2-phenylhydrazino)methylene]-
CAS No. 170465-41-5
Molecular Formula C16H12N2O3