35869-58-0 3,5,7,10,13-Pentaoxapentadecanedioic acid,2,2,4,4,6,6,8,8,9,9,11,11,12,12,14,14-hexadecafluoro-, dimethyl ester 160901-26-8 N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-1-octanesulfonamide, reaction products with 2-butanone-oxime, N-ethyl-1,1,2,2,3,3,4,4,4-nonafluoro-N-(2-hydroxyethyl)-1-butanesulfonamide, N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-p