... 4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoate; 5-[(3aS,4S,6aS)-2-oxohexahydro ... -1H-thieno[3,4-d]imidazol-4-yl]pentanoate; 5-[(3aR,4S,6aS)-2-oxohexahydro ... -1H-thieno[3,4-d]imidazol-4-yl]pentanoate; 5-[(3aR,4S,6aR)-2-oxohexahydro ... -1H-thieno[3,4-d]imidazol-4-yl]pentanoate; VHSpecification1% /2% /99% Structure Function1 ...