Nonadecafluoro-1-nonanesulfonic acid

Nonadecafluoro-1-nonane sulfonic acid

1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Nonadecafluoro-1-nonanesulfonic acid

1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-nonadecafluorononane-1-sulfonic acid