3',6'-dihydroxyspiro[oxolane-5,9'-xanthene]-2-one

3,4-dichlorochromen-2-one

2-methyl-1,3,5-tri(propan-2-yl)benzene

1-(9-溴菲-3-基)乙酮

4-(4-carboxy-3-methylphenyl)-2-methylbenzoic acid