Fungal oxidation of (+/-)-9,10-dihydroxy-9,10-dihydrobenzo[a]pyrene: formation of diastereomeric benzo[a]pyrene 9,10-diol 7,8-epoxides.

Fungal oxidation of (+/-)-9,10-dihydroxy-9,10-dihydrobenzo[a]pyrene: formation of diastereomeric benzo[a]pyrene 9,10-diol 7,8-epoxides.