1,2-Dihydro-1,2-epoxyindeno(1,2,3-cd)pyrene 99520-64-6 BRN 5591641 CCRIS 2553 Indeno(1',2',3':1,10)pyreno(4,5-b)oxirene, 1a,11b-hydro- Indeno(1,2,3-cd)pyren-1,2-oxide Indeno(1,2,3-cd)pyrene, 1,2-dihydro-1,2-epoxy- Indeno(1,2,3-cd)pyrene-1,2-epoxide Indeno(1,2,3-cd)pyrene-1,2-oxide