Synonyms: HEPTARFLUOROBUTYRYL FLUORIDE;HEPTAFLUOROBUTYRYL FLUORIDE;heptafluoro-butanoylfluorid;perfluorobutyryl fluoride;HEPTAFLUOROBUTYRYL FLUOROIDE;Heptafluorobutyric acid fluoride;2,2,3,3,4,4,4-heptafluorobutanoyl fluoride;2,2,3,3,4,4,4-heptafluorobutyryl fluoride