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1,1'-[[(propane-1,3-diyl)dioxy]bis[(11aS)-7-methoxy-2-methylidene-10-((2-(trimethylsilyl)ethoxy)methyl)-1,2,3,10,11,11a-hexahydro-5H-pyrrolo[2,1c]-[1,4]benzodiazepin-5,11-dione]]
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1,1'-[[(propane-1,3-diyl)dioxy]-bis(11S,11aS)-10-(allyloxycarbonyl)-11-hydroxy-7-methoxy-2-methylidene-1,2,3,10,11,11a-hexahydro-5H-pyrrolo[2,1-c][1,4]-benzodiazepin-5-one]
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