4,5-dihydrobenzo[a]pyrene-4,5-trans-(e,e)-diol

9,10-二氢-9,10-二羟基苯并(a)芘

7,8-二氢-7alpha,8beta-二羟基苯并[a]芘

9-tert-butylbenzopyrene

2,9-ditert-butylbenzo[a]pyrene