title: Conformationally restricted analogs of histamine H1 receptor antagonists. 2-Phenyl- and 2-benzyl-1,2,3,4-tetrahydro-4-dimethylaminoisoquinoline.
mesh_terms: D000109:Acetylcholine / Q000037:antagonists & inhibitors; D000818:Animals; D004123:Dimethylamines / Q000138:chemical synthesis / Q000494:pharmacology; D006168:Guinea Pigs; D006634:Histamine H1 Antagonists / Q000138:chemical synthesis* / Q000494:pharmacology; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D007546:Isoquinolines / Q000138:chemical synthesis* / Q000494:pharmacology; D008968:Molecular Conformation; D009119:Muscle Contraction / Q000187:drug effects; D011955:Receptors, Drug / Q000187:drug effects*; D013329:Structure-Activity Relationship; D014309:Tripelennamine / Q000494:pharmacology
chemical_list: D004123:Dimethylamines; D006634:Histamine H1 Antagonists; D007546:Isoquinolines; D011955:Receptors, Drug; D014309:Tripelennamine; D000109:Acetylcholine