出典:Wikipedia
出典:『Wikipedia』 (2011/06/07 10:56 UTC 版)
A benzopyrene is an organic compound with the formula C20H12. Structurally, these colourless pentacyclic hydrocarbons are related to pyrene by fusion of a phenylene group. Two isomeric species are benzo[a]pyrene and the less common benzo[e]pyrene. Related compounds include cyclopentapyrenes, dibenzopyrenes, indenopyrenes and naphthopyrenes.