1-Azetidinecarboxylic acid, 2-oxo-4-phenyl-3-[(triethylsilyl)oxy]-, 1,1-dimethylethyl ester, (3R,4S)-rel-
1-Azetidinecarboxylic acid, 2-oxo-4-phenyl-3-[(triethylsilyl)oxy]-, 1,1-dimethylethyl ester, cis-(±)-
rel-1,1-Dimethylethyl (3R,4S)-2-oxo-4-phenyl-3-[(triethylsilyl)oxy]-1-azetidinecarboxylate
1-Azetidinecarboxylic acid, 2-oxo-4-phenyl-3-[(triethylsilyl)oxy]-, 1,1-dimethylethyl ester, cis-