1,3-dioxo-1,3,3a,4,7,7a-hexahydro-2H-isoindol-2-yl 4-methylbenzenesulfonate

N-(p-Tolylsulphonyloxy)-1-phenylnaphthalene-2,3-dicarboximide

Cyclohexylmethyl 4-methylbenzenesulfonate