英文别名
(3S,4R)-1-[(Allyloxycarbonyl)(triphenyl-phosphoranilidene)methyl]-3-[(1R)-1-(t-butyldimethyl-silyloxy)ethyl]-4-[(1R)-1-(pivaloyloxycarbonyl)-ethyl]azetidin-2-one;[(2R)-2-[(2R,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxo-1-[2-oxo-2-prop-2-enoxy-1-(triphenyl-lambda5-phosphanylidene)ethyl]azetidin-2-yl]propanoyl] 2,2-dimethylpropanoate;[(2R)-2-[(2R,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxo-1-[2-oxo-2-prop-2-enoxy-1-(triphenyl-λ5-phosphanylidene)ethyl]azetidin-2-yl]propanoyl] 2,2-dimethylpropanoate