diethyl 2-(ethoxycarbonylamino)propanedioate

3-氨基-4-氰基吡咯-2-羧酸甲酯

diethyl 2-acetamido-2-hexadecylpropanedioate

Ethyl 4-(2-ethoxy-2-oxoethyl)-3,5-dimethyl-1H-pyrrole-2-carboxylate

2-[(2-氯乙酰基)氨基]丙二酸二乙酯