benzyl 2-(3-benzamido-2-chloro-4-oxoazetidin-1-yl)-2-(2,2-dimethyl-1,3-dioxan-5-ylidene)acetate

2-((benzyloxy)(2,4-dichlorophenyl)methyl)-1,3-dichloro-5-methoxybenzene

N-Benzylaniline

二甲基苄基原醇

重氮甲烷