[1,1'-Biphenyl]-4-carboxylic acid, 4'-[2-(4-carboxyphenyl)ethynyl]-2',5'-dimethoxy-

[1,1'-Biphenyl]-4-carboxylic acid, 4'-[2-(4-carboxyphenyl)ethynyl]-2',5'-dimethoxy- · CAS 2052361-57-4