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?? (3R,4S)-1-Benzoyl-3-acetoxy-4-phenyl-2-azetidinone (CAS No.146924-93-8), its synonyms are (3R,4S)-1-Benzoyl-2-oxo-4-phenylazetidin-3-yl acetate ; 2-Azetidinone, 3-(acetyloxy)-1-benzoyl-4-phenyl-, (3R,4S)- ; (3R,4S)-1-Benzoyl-3-acetoxy-4-phenyl-2-azetidinone .
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