1201848-16-9 2-Oxazolidinone, 3,3'-[[(3S,4S)-1,1,5,5-tetramethyl-1-oxa-2,5-disilacyclopentane-3,4-diyl]bis(1-oxo-2,1-ethanediyl)]bis[4-(1-methylethyl)-, (4S,4'S)-

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