[Studies on the synthesis of biotin. II. Synthesis of 3,4-(1',3'-dibenzyl-2'-oxoimidazolido)-2-oxothiophane].
D001710:Biotin / Q000138:chemical synthesis; D006851:Hydrochloric Acid; D007783:Lactones / Q000138:chemical synthesis*; D013440:Sulfides
D007783:Lactones; D013440:Sulfides; D001710:Biotin; D006851:Hydrochloric Acid