title: Conformational influences on antihistamine activity. The crystal structure of 2-[(2)-dimethylaminoethyl)-2-thenylamino]pyridine hydrochloride, an antihistamine.
mesh_terms: D001665:Binding Sites; D055598:Chemical Phenomena; D002621:Chemistry; D003461:Crystallography; D006634:Histamine H1 Antagonists / Q000494:pharmacology*
chemical_list: D006634:Histamine H1 Antagonists