1,1':3',1'':3'',1'''-Quaterphenyl]-4,4'''-dicarboxylic acid, 5',5''-bis(4-carboxyphenyl)-4'',6'-dimethoxy-

1,1':3',1'':3'',1'''-Quaterphenyl]-4,4'''-dicarboxylic acid, 5',5''-bis(4-carboxyphenyl)-4'',6'-dimethoxy- · CAS 1931172-14-3