1a,9b-Dihydrophenanthro(9,10-b)oxirene 585-08-0 9,10-Dihydro-9,10-epoxyphenanthrene 9,10-Epoxy-9,10-dihydrophenanthrene 9,10-Phenanthrene oxide CCRIS 1986 Phenanthrene 9,10-oxide Phenanthrene, 9,10-dihydro-9,10-epoxy- Phenanthrene-9,10-epoxide Phenanthro(9,10-b)oxirene, 1a,9b-dihydro- (9CI)