化工字典查询：
首页
\
化工字典
\
CAS NO:60722-21-6
CAS:
60722-21-6
英文名称:
8a-dihydro-7-hydroxy-4-oxo- 4 (e)-4h-1-benzopyran-2-carboxylic aci
trans-7-hydroxy-4-oxo-4a,8a-dihydro-4h-1-benzopyran-2-carboxylic acid
8a-dihydro-7-hydroxy-4-oxo-4 (e)-4h-1-benzopyran-2-carboxylic aci
