Butanedioic acid, 2-sulfo-, 1, 4-dioctyl ester, potassium salt (1:1)

Butanedioic acid, 2-sulfo-, 1-(1, 3-dimethylbutyl) ester, sodium salt (1:2)

Butanedioic acid, 2-sulfo-, 1-(2-(((9Z)-1-oxo-9-octadecen-1-yl)amino)ethyl) ester, sodium salt, compd. with 2, 2', 2''-nitrilotris(ethanol) (1:1:1)

Butanedioic acid, 2-sulfo-, 1-(2-ethylhexyl) 4-hexyl ester, sodium salt (1:1)

Butanedioic acid, 2-sulfo-, 1-tridecyl ester, sodium salt (1:2)

Butanedioic acid, 2-sulfo-, 4-(1-methyl-2-((1-oxo-9-octadecen-1-yl)amino)ethyl) ester, sodium salt (1:2)

Butanedioic acid, 2-sulfo-, 4-(2-(((9Z)-1-oxo-9-octadecen-1-yl)amino)ethyl) ester, sodium salt, compd. with 2, 2', 2''-nitrilotris(ethanol) (1:1:1)

Butanedioic acid, 2-sulfo-, 4-(2-((1-oxooctadecadienyl)amino)ethyl) ester, sodium salt (1:2)

Butanedioic acid, 2-sulfo-, 4-(2-((2-hydroxyethyl)(1-oxoisooctadecyl)amino)ethyl) ester, ammonium sodium salt (1:1:1)

Butanedioic acid, 2-sulfo-, 4-(2-((2-hydroxyethyl)(1-oxooctadecyl)amino)ethyl) ester, ammonium sodium salt (1:1:1)

Butanedioic acid, 2-sulfo-, 4-(2-ethylhexyl) 1-octadecyl ester, sodium salt (1:1)

Butanedioic acid, 2-sulfo-, 4-castor-oil alkyl esters, disodium salts

Butanedioic acid, 2-sulfo-, 4-cyclohexyl 1-(1-methylethyl) ester, sodium salt (1:1)

Butanedioic acid, 2-sulfo-, 4-cyclohexyl 1-hexyl ester, sodium salt (1:1)

Butanedioic acid, 2-sulfo-, 4-decyl ester, sodium salt (1:1)

Butanedioic acid, 2-sulfo-, ammonium salt (1:1)

Butanedioic acid, 2-sulfo-, C-C16-18 alkyl ester, monosodium salt

Butanedioic acid, 2-sulfo-, C-C9-11-isoalkyl esters, C10-rich, disodium salts

Butanedioic acid, 2-sulfo-, mixed esters with 2-ethyl-1-hexanol, iso-Pr alc. and propylene glycol

Butanedioic acid, 2-sulfo-, mono(C16-18 and C18-unsatd. alkyl) esters, ammonium sodium salts