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