title: Penicillin derivatives as monovalent elicitors of anaphylaxis: the importance of the thiazolidine moiety.
mesh_terms: D000614:Aminocaproates / Q000276:immunology*; D000818:Animals; D000941:Antigens; D004136:Dinitrobenzenes / Q000276:immunology; D006168:Guinea Pigs; D006241:Haptens / Q000276:immunology*; D007116:Immunization, Passive; D010323:Passive Cutaneous Anaphylaxis; D010400:Penicillin G / Q000276:immunology; D010406:Penicillins / Q000276:immunology*; D013329:Structure-Activity Relationship; D013844:Thiazoles / Q000276:immunology
chemical_list: D000614:Aminocaproates; D000941:Antigens; D004136:Dinitrobenzenes; D006241:Haptens; D010406:Penicillins; D013844:Thiazoles; D010400:Penicillin G