Almitrine, a selective pulmonary vasoconstrictor and a respiratory stimulant that enhances respiration by acting as an agonist of peripheral chemoreceptors located on the carotid bodies. The drug increases arterial oxygen tension while decreasing arterial carbon dioxide tension in patients with chronic obstructive pulmonary disease. In combination with raubasine, it used under the brand, name Duxil for the treatment of age-related cerebral disorders and functional rehabilitation after stroke. In addition, Duxil has been considered as an alternative treatment for dementia, but because of the low methodological quality of included trials and the small number of trials, the obtained data did not provide sufficient evidence to support the routine use of this drug for the disease.

Oxatomide is a H1-histamine receptor antagonist developed for the treatment of broad spectrum of allergic and other hypersensitivity reactions. The drug is currently marketed in Japan, Taiwan, Italy, Portugal, Indonesia, Argentina, South Africa.

Aminoacridine derivative that is a potent intercalating antineoplastic agent. It is effective in the treatment of acute leukemias and malignant lymphomas, but has poor activity in the treatment of solid tumors. It is frequently used in combination with other antineoplastic agents in chemotherapy protocols. It produces consistent but acceptable myelosuppression and cardiotoxic effects. Although its mechanism of action is incompletely defined, amsacrine inhibits DNA synthesis by binding to and intercalating with DNA. Amsacrine also inhibits topoisomerase II activity and may exert an effect on cell membranes. This agent also possesses immunosuppressive and antiviral properties. While amsacrine is not cell cycle phase-specific, cytotoxicity is maximal during the G2 and S phases.

Zimeldine was one of the first selective serotonin reuptake inhibitors to be marketed as an antidepressant under the brand names Zimeldine, Normud, and Zelmid. Zimelidine was developed in the late 1970s and early 1980s by Arvid Carlsson, who was then working for the Swedish company Astra AB. While zimelidine had a very favorable safety profile, within a year and a half of its introduction, rare case reports of Guillain–Barré syndrome emerged that appeared to be caused by the drug, prompting its withdrawl from the market.

Pholcodine is an opioid that has been widely used worldwide since 1950 for the treatment of non-productive cough in children and adults. Illicit drug. Additionally Pholcodine is a marker for sensitization to neuromuscular blocking agents (NMBA) and is intended for use as a diagnostic tool in NMBA-induced anaphylaxis.

Carbimazole is a prodrug for methimazole used to treat hyperthyroidism and thyrotoxicosis during pregnancy and breast breastfeeding. Carbimazole is rapidly metabolized to methimazole, which is responsible for the antithyroid activity. Carbimazole is an antithyroid agent that decreases the uptake and concentration of inorganic iodine by the thyroid, it also reduces the formation of di-iodotyrosine and thyroxine. Once converted to its active form of methimazole, it prevents the thyroid peroxidase enzyme from coupling and iodinating the tyrosine residues on thyroglobulin, hence reducing the production of the thyroid hormones T3 and T4. Doses of carbimazole of 30 mg daily or 50 mg weekly have not adversely affected the few breastfed infants studied and no cases of thyroid function alteration have been reported among infants exposed to methimazole via breastmilk. Carbimazole is not approved for marketing in the United States by the U.S. Food and Drug Administration but is available in other countries.

Edoxudine (5-ethyl-2'-deoxyuridine), an antiviral drug, has been clinically studied against the recurrent genital herpes.

XANTHIOL, a thioxanthene derivative, is a neuroleptic. Phenothiazine nucleus may be replaced by xanthiol without greatly altering the effects upon psychotic symptomatology.

Metopimazine, a phenothiazine derivative, is a dopamine D2 receptor antagonist. It exerts its antiemetic effects via the chemoreceptor trigger zone. Metopimazine showed potent alpha-adrenergic blocking activity, showed histamine H1 antagonism, and induced palpebral ptosis. Metopimazine can occasionally be associated with orthostatic hypotension, which probably relates to its affinity for the α1-adrenoceptor. Therapeutic doses of metopimazine are likely to produce sedation and side-effects related to autonomic blockade. Metopimazine (Vogalene®) is indicated for the prevention and treatment of nausea and vomiting.

Metiazinic acid is a non-steroidal agent and has been found in rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis and osteoarthrosis to possess anti-inflammatory activity