苯酚钾

3,3’5,5’-四甲基-4,4’-联苯醌

2,6-二甲基-2,5-环己二烯-1,4-二酮

3,3',5,5'-四叔丁基-4,4'-联苯醌

4-hydroxy-3,5-dimethylphenyl acetate