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139374-25-7 4h-1-benzopyran-8-acetic acid,7-methoxy-3-methyl-4-oxo-2-(2-phenylethenyl)-, (e)-

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Product Name 4H-1-Benzopyran-8-acetic acid,7-methoxy-3-methyl-4-oxo-2-(2-phenylethenyl)-, (E)-
CAS No. 139374-25-7
Molecular Formula C21H18O5