英文别名
5-(3-ethoxycarbonylamino-4-methoxycarbonylamino-thiophen-2-yl)-pentanoic acid;3-carbethoxyamino-4-carbomethoxyamino-2-thiophenevaleric acid;2-(4-Carboxybutyl)-3-ethoxycarbonylamino-4-methoxycarbonylaminothiophene;5-[3-(ethoxycarbonylamino)-4-(methoxycarbonylamino)thiophen-2-yl]pentanoic acid