61490-67-3 7,8,9,10-Tetrahydroxytetrahydrobenzo(a)pyrene 7,9/8,10-Tetrahydroxytetrahydrobenzo(a)pyrene 7-beta,8-alpha,9-beta,10-alpha-Tetrahydroxy-7,8,9,10-tetrahydrobenzo(a)pyrene BENZO(a)PYRENE-7,8,9,10-TETROL, 7,8,9,10-TETRAHYDRO-, (7-alpha,8-beta,9-alpha,10 Benzo(a)pyrene-7,8,9,10-tetrol, 7,8,9,10-tetrahydro-, (7-alpha,8-beta,9-alpha,10-beta)-