[(2S)-5-Oxooxolan-2-yl]methyl 4-methylbenzene-1-sulfonate

4-methylbenzenesulfonic acid (s)-(5-oxotetrahydrofuran-2-yl)methyl ester ; (s)-(+)-γ-tosyloxymethyl-γ-butyrolactone ; (s)-(+)-dihydro-5-[[(p-tolylsulfonyl)oxy]methyl]-2(3h)-furanone ; dihydro-5-(tosyloxymethyl)-2(3h)-furanone ; (s)-(+)-gamma-toluenesulfonylmethyl-gamma-butyrolactone ; 2(3h)-furanone,dihydro-5-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-, (s)- ; (s)-(+)-dihydro-5-(p-tolysulfonyioxymethyl)-2-(3h)-furanone ; (s)-(+)-g-toluenesulfonylmethyl-g-butyrolactone. ; ((2s)-5-oxotetrahydrofuran-2-yl)methyl4-methylbenzenesulfonate ; (s)-(+)-gamma-toluenesulfonylmethyl-gamma-butyrolactone, 99+% ; 2(3h)-furanone,dihydro-5-[[[(4-methylphenyl)sulfonyl]oxy]methyl]-, (5s)- ; (s)-(+)-toluenesulfonylmethyl)- -butyrolactone ; s-(+)-gamma-tosyloxymethyl-gamma-butyro- lactone ; (s)-(+)-dihydro-5-(4-tolylsulfonyloxymethyl)-2(3h)-furanone ; (s)-(+)-dihydro-5-(p-tolylsulfonyloxymethyl)-2(3h)-furanone ; 5s-(+)-tosyloxymethyl-g-butyrolactone