Adrenergic neuron blocking agents

Guanethidine

Guanoxon

Guanachlor

Bethanidine

Debrisoquine sulphate

Anti-psychotic drugs

1.  Phenothiazines

Chlorpromazine

Triflupromazine

Fluphenazine

Thioridazine

2. Rauwolfia alkaloids

Reserpine

3. Butyrophenones

Haloperidol

Trifluperidol

4. Thioxanthines

Chlorprothixene

Thiothixene

5. Indolic derivatives

Molindine

6. Miscellaneous

Oxypertine

Tetrabenazine

Pimozide