英文名称
prop-2-enyl 2-[(2R,3R)-2-[2-(5-ethylthiophen-2-yl)-2-oxoethyl]-4-oxo-3-propan-2-ylazetidin-1-yl]-2-(triphenyl-lambda5-phosphanylidene)acetate;prop-2-enyl 2-[(2R,3S)-3-[(1R)-1-hydroxyethyl]-2-[2-[5-(hydroxymethyl)thiophen-2-yl]-2-oxoethyl]-4-oxoazetidin-1-yl]-2-(triphenyl-lambda5-phosphanylidene)acetate