title: (A-21-D-asparagine) sheep insulin, a diastereoisomer of the natural hormone.
mesh_terms: D000818:Animals; D001216:Asparagine; D007328:Insulin / Q000138:chemical synthesis; D008722:Methods; D012756:Sheep; D013237:Stereoisomerism
chemical_list: D007328:Insulin; D001216:Asparagine