1,3-二对甲苯基-2-硫脲

4,4-dimethyl-1,2-bis(4-methylphenyl)pyrazolidine-3,5-dione

对甲苯胺

二(4-甲基苯基)二氮烯

N-(4-methylphenyl)-5-methyl-1,2-phenylenediamine