101030-77-7 10H,11H-Cycloheptapyrene 8,9-oxide 7H-CYCLOHEPTA(a)PYRENE, 8,9,10,11-TETRAHYDRO-8,9-EPOXY- 8,9-Epoxy-8,9,10,11-tetrahydro-7H-cyclohepta(a)pyrene