英文别名
Tert-butyl 2-[2-[4-(oxan-2-yloxy)-2-oxobutyl]sulfanyl-4-oxo-3-(tritylamino)azetidin-1-yl]-2-(triphenyl-lambda5-phosphanylidene)acetate;tert-butyl 2-[2-[4-(oxan-2-yloxy)-2-oxobutyl]sulfanyl-4-oxo-3-(tritylamino)azetidin-1-yl]-2-(triphenyl-λ5-phosphanylidene)acetate