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CAS NO:60722-20-5
CAS:
60722-20-5
英文名称:
8a-dihydro-7-hydroxy-4-oxo- 4 (z)-4h-1-benzopyran-2-carboxylic aci
cis-7-hydroxy-4-oxo-4a,8a-dihydro-4h-1-benzopyran-2-carboxylic acid
8a-dihydro-7-hydroxy-4-oxo-4 (z)-4h-1-benzopyran-2-carboxylic aci
