英文别名Propanedioic acid, 2-[3-[(3aS,4S,6aR)-hexahydro-2-oxo-1,3-bis(phenylmethyl)-1H-thieno[3,4-d]imidazol-4-yl]propyl]-, 1,3-diethyl ester; Diethyl 2,2-bis(3-((3aS,4S,6aR)-1,3-dibenzyl-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)propyl)malonate; Biotin Impurity 7（Biotin EP Impurity F）; diethyl 2-(3-((3aS,4S,6aR)-1,3-dibenzyl-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)propyl)malonate 
