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171864-31-6 2h-1-benzopyran-2,4(3h)-dione, 3-[(2-methylhydrazino)methylene]-

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Product Name 2H-1-Benzopyran-2,4(3H)-dione, 3-[(2-methylhydrazino)methylene]-
CAS No. 171864-31-6
Molecular Formula C11H10N2O3