methyl ((2R,3S)-2-((S)-1-hydroxyethyl)-5-oxotetrahydrofuran-3-yl)((S)-1-phenylethyl)carbamate

(2S,3R,E)-tert-butyl 2-((S)-1-hydroxyethyl)-3-((methoxycarbonyl)amino)-5-(phenylthio)pent-4-enoate

3-chlorobenzoic (2S,3S,4S,6R)-6-methoxy-4-((methoxycarbonyl)amino)-2-methyltetrahydro-2H-pyran-3-carboxylic peroxyanhydride