Synonyms: | Nonafluorobutanesulfonyl fluoride, 90+%;FC-4;Nonafluorobutanesulphonyl fluoride, tech. 90%;1,1,2,2,3,3,4,4,4-Nonafluorobutane-1-sulfonyl fluoride;1,1,2,2,3,3,4,4,4-Nonafluorobutane-1-sulfonic acid fluoride;Nonafluoro-1-butanesulfonic acid fluoride;Nonafluorobutane-1-sulfonyl fluoride;Perfluoro-1-butanesulfonyl fluoride,92% |