Pazoxide was studied as an antihypertensive agent. However, information about the current use of this drug is not available.

Uldazepam is a tranquilizer belonging to the 1.4‐benzodiazepine group.

Spiromustine is a bifunctional nitrogen alkylating agent with antineoplastic activity and lipophilic properties. Preclinical screening has shown activity against a variety of tumors, including an intracranially implanted ependymoblastoma. Alkylating activity has been demonstrated in an intracerebral glioma in the rat. Spiromustine is a cell cycle non-specific agent. Animal pharmacology studies have shown a biphasic plasma decay curve, with hepatic metabolism and excretion, an enterohepatic circulation of metabolites, and approximately 50% renal excretion of unchanged drug. Toxicology studies in mice, rats, and dogs showed that dose-related myelosuppression and neurotoxicity predominated; other organ toxicities were mild. In Phase I clinical trials Neurotoxicity was the dose-limiting toxicity presenting as alterations in cortical integrative functions (orientation, language, coordination), leading to a decrease in the level of consciousness.

Psilocybin is a naturally occurring psychedelic prodrug compound produced by more than 200 species of mushrooms, collectively known as psilocybin mushrooms. Once ingested, psilocybin is rapidly metabolized to the psilocin, which then acts on serotonin receptors in the brain. Psilocybin was identified as the active hallucinogenic compound in magic mushrooms in 1959, but humans have used assorted psilocybin mushrooms in religious ceremonies since prehistoric times. In the 1960's psilocybin was marketed for use as a treatment for various psychoses, however, it was withdrawn from the market when the regulatory environment changed. Recently there has been as renewed interest in studying the medicinal uses of psilocybin for treatment of anxiety, depression, migraine headaches, addictions, and other neuropsychiatric conditions.

Emodin is a naturally occurring anthraquinone present in the roots of numerous plants and lichens and an active ingredient of various Chinese herbs. Emodin possesses various biological properties and serves as an anti-bacterial and anti-inflammatory agent. Emodin was studied as a potential anti-cancer agent: e.g., it was shown, that compound inhibits the invasion and migration of colon cancer cells in vitro and in vivo by blocking EMT, which is related with the inhibition of Wnt/β-catenin signaling pathway. Besides, emodin effectively ameliorates asthmatic airway inflammation and alternatively activated macrophages (AAMs) polarization, and thus can be a potential agent for the treatment of asthma. It is known that the Inhibition of AAMs is an alternative therapeutic strategy for treating asthma. Some experiments have revealed that emodin can be a beneficial dietary supplement in prolonging lifespan.

Chloroazodin is aliphatic chloramine derivative with potent antiseptic action effective against many microörganisms, fungi, yeast, and plasmodia, with a low toxicity

Quinterenol is a substituted 8-hydroxyquinoline derivative patented by Pfizer, Chas., and Co., Inc. as a bronchodilator. Quinterenol acts as a beta-adrenergic agonist that increased ventricular rate in most of the experimental animals.

Triflocin is a nicotinic acid derivative. Triflocin is a diuretic agent. It is structurally dissimilar from ethacrynic acid and furosemide although their natriuretic potency and site of action in the kidney appear similar. Triflocin inhibits sodium-stimulated, ouabain-insensitive ATPase. In vivo, a natriuretic effect of Triflocin has been reported in both the proximal convoluted tubule and the thick ascending limb of Henle's loop. Upon acute isohydric hypercapnia, Triflocin depolarizes the basolateral membrane potential. Triflocin inhibits the basolateral electrogenic Na-(HCO3)n > 1 cotransport in proximal tubules.

Idalopirdine (Lu AE58054) is a Serotonin 6 receptor (5-HT6) antagonist. Idalopirdine exrets good oral bioavailability and robust efficacy in a rat model of cognitive impairment in schizophrenia. In rats idalopirdine potentiates the effects of acetylcholinesterase inhibitor donepezil on two pharmacodynamic biomarkers associated with cognition, i.e. neuronal oscillations and extracellular ACh levels in the hippocampus. Such potentiation could contribute to the procognitive effects of idalopirdine observed in donepezil-treated Alzheimer's disease patients. The compound is being developed by Lundbeck as an adjunctive therapy with acetylcholinesterase inhibitor donepezil, and is in phase III development for the treatment of Alzheimer's disease in multiple countries worldwide. A phase II trial for the treatment of cognitive impairment associated with schizophrenia was conducted; however no recent reports of development for idalopirdine have been identified.