2,5-dimethyl-3,6-bis(pentadecylamino)cyclohexa-2,5-diene-1,4-dione

4-氨基-2,5-二甲基苯酚

2,5-二甲基-1,4-苯二胺

2,5-二羟基-3,6-二甲基环己-2,5-二烯-1,4-二酮

2,5-dibromo-3,6-dimethyl-1,4-benzoquinone