desthiobiotin
noun
des·thio·bi·o·tin
| \ ˌdez-ˌthī-ə-ˈbī-ət-ən
\
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Medical Definition of desthiobiotin
: a crystalline acid C10H18N2O3 obtained from biotin by removal of sulfur and held to be a precursor of biotin in some organisms (as many yeasts and bacteria)