d18-β-1,2,5,6,9,10-Hexabromocyclododecane
d18-γ-1,2,5,6,9,10-Hexabromocyclododecane
Potassium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate (minor component of F-53B)
Potassium 9-chlorohexadecafluoro-3-oxanonane-1-sulfonate
N-methyl-d3-perfluoro-1-octane-sulfonamidoacetic acid