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(1991)2-[1-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-1-((S)-1-ethoxycarbonyl-ethoxycarbonyl)-meth-(Z)-ylidene]-5-methyl-3,6-dihydro-2H-[1,3]thiazine-4-carboxylic acid methyl ester
ethyl 2'-phthalimido-2'-thiocarbamoyl-2-acetoxy propanoate
2'-cyano-2'-phthalimido-2-acetoxy ethyl propanoate
methanol
tributyltin methoxide