英文别名
Benzyl 7-[2-benzhydryloxy-2-oxo-1-(triphenyl-lambda5-phosphanylidene)ethyl]-3,8-dioxo-5-oxa-2,7-diazabicyclo[4.2.0]octane-2-carboxylate;benzyl 7-[2-benzhydryloxy-2-oxo-1-(triphenyl-λ5-phosphanylidene)ethyl]-3,8-dioxo-5-oxa-2,7-diazabicyclo[4.2.0]octane-2-carboxylate