3-[(1S,2S,5R)-7-氧代-3-硫杂-6,8-二氮杂双环[3.3.0]辛-2-基]丙酸

3-((3aS)-2-oxo-(3ar,6ac)-hexahydro-thieno[3,4-d]imidazol-4t-yl)-propionic acid methyl ester

2-oxo-(3ar,8ac,8bc)-decahydro-thieno[1',2':1,2]thieno[3,4-d]imidazolium, bromide

丙二酸二乙酯