1a,13c-Dihydrobenzo(11,12)chryseno(5,6-b)oxirene 84850-16-8 Benzo(11,12)chryseno(5,6-b)oxirene, 1a,13c-dihydro- Benzo(g)chrysene 9,10-oxide Benzo(g)chrysene-9,10-oxide CCRIS 6811