N-(10-methoxymethyl)-8-benzyloxy-7-methoxypyrrolo[2,1-c][1,4]benzodiazepine-5,11-dione

(2S)-N-(2-amino-4-hydroxy-5-methoxybenzoyl)pyrrolidine-2-carboxaldehyde dimethyl acetal

1-[2-azido-4-(benzyloxy)-5-methoxybenzoyl]prolinol

L-脯氨酸

(S)-1-(4-(benzyloxy)-5-methoxy-2-nitrobenzoyl)pyrrolidine-2-carbaldehyde