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Ethyl (1S,4R,6S,7Z,14S,18R)-14-(chloroamino)-18-(4-chloro-1,3-dihydroisoindole-2-carbonyl)oxy-2,15-dioxo-3,16-diazatricyclo[14.3.0.04,6]nonadec-7-ene-4-carboxylate


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