英文别名
                        prop-2-enyl 2-[(3S,4R)-3-[(1R)-1-hydroxyethyl]-2-oxo-4-[2-oxo-2-[4-(pyridine-2-carbonylamino)phenyl]ethyl]azetidin-1-yl]-2-(triphenyl-lambda5-phosphanylidene)acetate;prop-2-enyl 2-[(3S,4R)-3-[(1R)-1-hydroxyethyl]-2-oxo-4-[2-oxo-2-[4-(pyridine-2-carbonylamino)phenyl]ethyl]azetidin-1-yl]-2-(triphenyl-λ5-phosphanylidene)acetate