Wiktionary
perflubron
n. perfluorooctyl bromide, a fluorochemical
Wikipedia
Perflubron
Perflubron ( INN/ USAN, or perfluorooctyl bromide; brand name Imagent) is a contrast medium for magnetic resonance imaging, computer tomography and sonography. It was approved for this use in the United States by the Food and Drug Administration in 1993.