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139374-23-5 4h-1-benzopyran-8-acetic acid,4-oxo-2-[2-(3,4,5-trimethoxyphenyl)ethenyl]-, (e)-

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Product Name 4H-1-Benzopyran-8-acetic acid,4-oxo-2-[2-(3,4,5-trimethoxyphenyl)ethenyl]-, (E)-
CAS No. 139374-23-5
Molecular Formula C22H20O7