.alpha.-Dehydrobiotin 10118-85-1 2-Pentenoic acid, 5-(2,3,3a.alpha.,4.alpha.,6,6a.alpha.-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl)-, (+)- 2-Pentenoic acid, 5-(hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl)-, [3aS-(3a.alpha.,4.beta.,6a.alpha.)]- Biotin, .alpha.-dehydro- DEHYDROBIOTIN, ALPHA Dehydrobiotin, .alpha.- Lydimycin NSC127473 U-15,965