| Synonyms: | (3aS,4S,6aR)-Hexahydro-α-Methyl-2-oxo-1H-thieno[3,4-d]iMidazole-4-pentanoic Acid;Biotin IMpurity D (9-Methyl Biotin);Biotin Impurity 4（Biotin EP Impurity D）;Biotin EP Impurity D;9-Methyl Biotin;Biotin EP Impurity D (9-Methyl Biotin);1H-Thieno[3,4-d]imidazole-4-pentanoic acid, hexahydro-α-methyl-2-oxo-, (3aS,4S,6aR)-;2-methyl-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid |