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CAS NO:2448-39-7
CAS:
2448-39-7
英文名称:
2-oxo-2h-1-benzopyran-3-carboxylic aci ester with 5-aminocoumarin
6-aminocoumarin coumarin-3-carboxylic acid salt
2-oxo-2h-1-benzopyran-3-carboxylic aci ester with5-aminocoumarin