ethyl 2-[[2-[[2-(phenylmethoxycarbonylamino)acetyl]amino]acetyl]amino]acetate

ethyl 2-[[2-(1,3-dioxoisoindol-2-yl)acetyl]amino]acetate

3-methyl-pyrrole-2,5-dicarboxylic acid-2-ethyl ester

3-甲基-吡咯-2,5-二羧酸二乙酯

N-苯基氨基乙酸乙基醚