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494747-18-1 2-propenoic acid, 3-(1-oxo-3-phenyl-1h-2-benzopyran-4-yl)-, ethylester

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Product Name 2-Propenoic acid, 3-(1-oxo-3-phenyl-1H-2-benzopyran-4-yl)-, ethylester
CAS No. 494747-18-1
Molecular Formula C20H16O4