Drug Gene Type Source DEXBROMPHENIRAMINE MALEATE KCNH2 Potency=14.1254(uM) D1 PubChem DEXBROMPHENIRAMINE MALEATE HRH1 - D1 PubChem DEXBROMPHENIRAMINE MALEATE KCNH2 Potency=14125.4(nM) D1 ChEMBL