(+)-Dethiobiotin (4R-cis)-5-Methyl-2-oxoimidazolidine-4-hexanoic acid 17866-65-8 29117-52-0 4-Imidazolidinehexanoic acid, 5-methyl-2-oxo-, (4R,5S)- 4-Imidazolidinehexanoic acid, 5-methyl-2-oxo-, (4R-cis)- 4-Methyl-5-(omega-carboxyamyl)imidazolidone-2 5-Methyl-2-oxo-4-imidazolidinecaproic acid 533-48-2 AI3-26390 Biotin, dethio- Desthiobiotin Dethiobiotin EINECS 208-566-2 d-Dethiobiotin epsilon-(4-Methyl-5-imidazolidone-2)caproic acid