1-benzyl-3-<(N,N-dimethylamino)methylene>-2-pyrrolidinone

1-Benzyl-3,3-dimethoxypyrrolidin-2-one

ethyl 1-benzyl-4,5-dioxopyrrolidine-3-carboxylate

溴化苄

methyl 1-benzyl-3-hydroxy-3-pyrrolin-2-one-4-carboxylate