Drug Gene Type Source Loxapine hydrochloride HTR2C - D1 PubChem Loxapine hydrochloride DRD2 - D1 PubChem Loxapine hydrochloride HTR2A - D1 PubChem Loxapine hydrochloride DRD3 - D1 PubChem Loxapine hydrochloride DRD4 - D1 PubChem