英文名称
[2-[4-[2-[(2R,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-4-oxoazetidin-2-yl]acetyl]-2-methylphenyl]acetyl] 4-nitrobenzoate;2-[4-[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]acetyl]-2-methylphenyl]acetic acid;[2-[4-[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]acetyl]-2-methylphenyl]acetyl] 4-nitrobenzoate;prop-2-enyl 2-[(2R,3S)-3-[(1R)-1-[tert-butyl(dimethyl)silyl]oxyethyl]-2-[2-[3-methyl-4-[2-oxo-2-(pyridin-4-ylmethoxy)ethyl]phenyl]-2-oxoethyl]-4-oxoazetidin-1-yl]-2-(triphenyl-lambda5-phosphanylidene)acetate;prop-2-enyl (5R,6S)-6-[(1R)-1-hydroxyethyl]-3-[3-methyl-4-[2-oxo-2-(pyridin-4-ylmethylamino)ethyl]phenyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate