Chemical Name: (+)-cis-1-Benzoyl-3-triethylsilyloxy-4-phenyl-2-azetidinone; (3R,4S)-1-Benzoyl-4-phenyl-3-(triethylsiloxy)azetidin-2-one; (3R,4S)-1-Benzoyl-4-phenyl-3-(triethylsilyloxy)azetidin-2-one;2-Azetidinone, 1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-, (3R-cis)-;(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone; (+)-cis-1-Benzoyl-3-triethylsilyloxy-4-phenyl-2-azetidinone; (3R,4S)-1-Benzoyl-4-phenyl-3-(triethylsiloxy)azetidin-2-one; (3R,4S)-1-Benzoyl-4-phenyl-3-(triethylsilyloxy)azetidin-2-one;