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138886-47-2 2h-1-benzopyran-2-acetic acid, 3,4-dihydro-4-oxo-, methyl ester, (2s)-

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Product Name 2H-1-Benzopyran-2-acetic acid, 3,4-dihydro-4-oxo-, methyl ester, (2S)-
CAS No. 138886-47-2
Molecular Formula C12H12O4