5'-(4-Carboxy-3-methylphenyl)-5''-(4-carboxyphenyl)-3-methyl-[1,1':3',1'':3'',1'''-quaterphenyl]-4,4'''-dicarboxylic acid 250mg

5'-(4-Carboxy-3-methylphenyl)-5''-(4-carboxyphenyl)-3-methyl-[1,1':3',1'':3'',1'''-quaterphenyl]-4,4'''-dicarboxylic acid 250mg