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497869-43-9 valine, n-[6-bromo-2-(4-hydroxyphenyl)-4h-1-benzopyran-4-ylidene]-

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Product Name Valine, N-[6-bromo-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-ylidene]-
CAS No. 497869-43-9
Molecular Formula C20H18BrNO4