Drug Gene Type Source Ropinirole hydrochloride KCNH2 Potency=10.0(uM) D1 PubChem Ropinirole hydrochloride DRD3 - D1 PubChem Ropinirole hydrochloride DRD4 - D1 PubChem Ropinirole hydrochloride DRD2 - D1 PubChem Ropinirole hydrochloride KCNH2 Potency=10000.0(nM) D1 ChEMBL