3b,4a-Dihydrobenzo(1,2)pyreno(4,5-b)oxiren-8-ol 61133-85-5 9-Hydroxybenzo(a)pyrene-4,5-epoxide 9-Hydroxybenzo(a)pyrene-4,5-oxide 9-OH-Bap-4,5-oxide Benzo(1,2)pyreno(4,5-b)oxiren-8-ol, 3b,4a-dihydro- Benzo(1,2)pyreno(4,5-b)oxiren-8-ol, 3b,4a-dihydro-, stereoisomer