英文别名
4-(4-phenylbut-2-ynylsulphinyl)-1-(1-t-butoxycarbonyl-1-triphenylphosphoranylidenemethyl)-3-(triphenylmethylamino)azetidin-2-one;Tert-butyl 2-[2-oxo-4-(4-phenylbut-2-ynylsulfinyl)-3-(tritylamino)azetidin-1-yl]-2-(triphenyl-lambda5-phosphanylidene)acetate;tert-butyl 2-[2-oxo-4-(4-phenylbut-2-ynylsulfinyl)-3-(tritylamino)azetidin-1-yl]-2-(triphenyl-λ5-phosphanylidene)acetate