List of drugs: Rf–Rz Emedastine H3 receptor antagonist Proxyfan PF-03654746 Lavoltidine Clocinizine Setastine Pirolate Clobenztropine Compound 48/80 Thioperamide Immepip Lupitidine Ciproxifan Ebrotidine Impromidine Fanetizole Oxmetidine VUF-8430 Clobenpropit Impentamine ABT-239 VUF-5681 Iodophenpropit Talastine Cipralisant Methimepip Α-Methylhistamine Clemizole 4-Methylhistamine Epinastine UR-AK49 Zolantidine Bilastine Alloclamide GSK-189254 Pimethixene Metiamide Lafutidine JNJ-5207852 Fenethazine Sufotidine Dimaprit Histaminergic Niperotidine Nizatidine Desloratadine A-423579 Ebastine A-349821 Roxatidine acetate Alcaftadine Clofedanol Immethridine Bepotastine Mebhyd…

drolin Amthamine Imetit Betazole Burimamide Prothipendyl Levocabastine SCH-79687 Histamine agonist NNC 38-1049 H2 receptor antagonist Isothipendyl OUP-16 Histamine trifluoromethyl toluidide Famotidine Mizolastine Betahistine Acrivastine Conessine 2-Pyridylethylamine Terfenadine Fexofenadine Levocetirizine Rupatadine Quifenadine Cetirizine Antihistamine Histamine N-methyltransferase Toreforant JNJ-7777120 VUF-6002 Histidine decarboxylase Histidine Desloratadine/pseudoephedrine Histamine Azelastine Ranitidine H1 antagonist Pyrrobutamine Iproheptine Bromazine Hydroxyethylpromethazine

Dimetindene Phenindamine Phenbenzamine Piroheptine Medrylamine Atiprosin Piperoxan Loratadine Dexchlorpheniramine Mequitazine Etodroxizine Histamine receptor Bamipine Thenalidine Histamine H3 receptor 4-Methyldiphenhydramine Moxastine Dacemazine Histamine H1 receptor Dixyrazine Zolamine Thenyldiamine Histamine H2 receptor Buclizine Embramine Pitolisant Tolpropamine Etymemazine Methafurylene Deptropine Tripelennamine Pyroxamine Azatadine Histapyrrodine Isopromethazine Histamine H4 receptor Clobenzepam Chlorothen Methdilazine Oxomemazine Antazoline Carbinoxamine Astemizole Alimemazine Olopatadine Thiazinamium metilsulfate Chlorphenoxamine Dexbrompheniramine Indalpine Thonzylamine Theophylline/ephedra/hydroxyzine Dibenzepin Cinnarizi