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2,2,2-Trichloroethyl N-[(1S,5S,6S,11S,15R)-6-[(2,5-dioxopyrrolidin-1-yl)methyl]-3-methylidene-13-oxo-12,14-dioxa-2,4,7,9-tetrazatetracyclo[7.6.0.01,5.011,15]pentadec-7-en-8-yl]carbamate


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