title: Two active structures for hemicholinium-like action.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D006426:Hemicholinium 3 / Q000494:pharmacology*; D066298:In Vitro Techniques; D008968:Molecular Conformation; D009119:Muscle Contraction / Q000187:drug effects; D009132:Muscles / Q000187:drug effects; D010424:Pentobarbital / Q000494:pharmacology; D011335:Proadifen / Q000494:pharmacology; D000644:Quaternary Ammonium Compounds / Q000494:pharmacology*; D051381:Rats; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D013329:Structure-Activity Relationship; D013997:Time Factors
chemical_list: D000644:Quaternary Ammonium Compounds; D006426:Hemicholinium 3; D011335:Proadifen; D010424:Pentobarbital