7343-07-9
2-(6-carboxy-2,3-dimethylphenyl)-3,4-dimethylbenzoic acid
→
17825-40-0
3,4,5,6-tetramethylphenanthrene-9,10-dione
138488-69-4
[1,1'-Biphenyl]-2,2'-dicarboxylic acid, 5,5',6,6'-tetramethyl-, dimethylester