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CAS NO:173469-72-2
CAS:
173469-72-2
英文名称:
2,3-dimethyl-alpha-ethyl-4-oxo-4h-1-benzopyran-6-acetic aci
2,3-dimethyl-alpha-ethyl-4-oxo-4h-1-benzopyran-6-acetic acid
2-(2,3-dimethylchromon-6-yl)butanoic acid
