Paliperidone (Invega; Invega Sustenna; Invega Sustenna; 9-hydroxyrisperidone), the main active metabolite of Risperidone, is a potent serotonin-2A and dopamine-2 receptor antagonist used for the treatment of schizophrenia.

Phenothiazine (NSC 2037; ENT38; ENT 38; NSC-2037) is a potent dopamine-2 (D2) receptor antagonist used as antipsychotic medications for the treatment of schizophrenia and manifestations of psychotic disorders.

Clozapine N-oxide is a metabolite of clozapine (GLXC-06516), activating human muscarinic designer receptors (DREADDs) and suppressing food intake.

Levosulpiride (RV 12309; RV-12309; S-(-)-Sulpiride) is the S-enantiomer of sulpiride, which is a potent and selective antagonist for D2 dopamine receptors used as an antipsychotic and prokinetic agent.

Fenoldopam mesyalte (SKF-82526) is a synthetic benzazepine analog acting as a selective D1 receptor partial agonist.

Droperidol (Dridol; Properidol; Dehydrobenzperidol; Inapsine) is a novel and potent D1DR and D2DR inhibitor with anti-emetic, sedative and anti-anxiety activities.

Ropinirole (also known as AS-041164; SKF101468; Requip) a potent and selective dopamine D2 receptors agonist (Ki = 29 nM) of the non-ergoline class of medications with anti-PD effects.

SB-277011 dihydrochloride (also known as SB-277011A diHCl) is a novel, potent, selective, orally bioavailable and brain penetrate dopamine D3 receptor antagonist, with pKis of 8.0, 6.0,<5.2 and 5.9 for D3, D2, 5-HT1B, and 5-HT1D receptors, respectively.

NGB2904 HCl (NGB-2904) is a novel, selective, orally bioactive antagonist of dopamine D3 receptor with the potential to be used for cocaine addiction.

Trimethobenzamide (also known as Ro 2-9578; trade names Tebamide, Tigan), a blocker of the D2 receptor, is a potent antiemetic that is used to prevent nausea and vomiting.