Similar names: Perfluorobutane Sulfonamide; 1,1,2,2,3,3,4,4,4-Nonafluoro-1-butanesulfonamide; 1,1,2,2,3,3,4,4,4-Nonafluoro-n-butanesulfonamide; Nonafluorobutanesulfonamide; Perfluorobutanesulfonamide; n-Nonafluorobutanesulfonamide; FBSA; FBSA; Perfluorobutane Sulfonamide; 1,1,2,2,3,3,4,4,4-Nonafluoro-1-butanesulfonamide; 1,1,2,2,3,3,4,4,4-Nonafluoro-n-butanesulfonamide; Nonafluorobutanesulfonamide; Perfluorobutanesulfonamide; n-Nonafluorobutanesulfonamide; PFBSA; PFBSA; FBSA-I; FBSA