According to Baidu question bank, in the occupational health industry, the word "triphenyl" usually refers to (). Benzene, phenol and toluene. Toluene, aniline and phenol. Benzene, toluene and xylene. Phenol, aniline and benzopyrene. The answer is C, so it's benzene, toluene and xylene.
Tips: This paper comes from Occupational Health Training Examination 96847.