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  • {[(3aR,4S,6S,6aS)-5-((S)-2-tert-Butoxycarbonylamino-3-phenyl-propionyl)-6-hydroxymethyl-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyrrole-4-carbonyl]-amino}-acetic acid benzyl ester

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