(3aβ,6aβ)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4α-valeric acid methyl ester | (3aS,4S,6aR)-Hexahydro-2-oxo-1H-thieno[3,4-d]imidazole-4-pentanoic acid methyl ester |
methyl 5-[(3aR,6S,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-6-yl]pentanoate | 5-[(3aR,6S,6aS)-2-keto-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-6-yl]valeric acid methyl ester |
5-[(3aS)-2-Oxo-2,3,3aβ,4,6,6aβ-hexahydro-1H-thieno[3,4-d]imidazole-4α-yl]pentanoic acid methyl ester |