4,4',4'-三甲基三苯甲基乙醇

4-[tris(4-carboxyphenyl)methyl]benzoic acid

4,4'-二甲基联苯

4,4'-羰基二(苯甲酸甲基)酯

1-iodo-4-[tris(4-methylphenyl)methyl]benzene