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Hippuristanol is a small molecule found in the coral Isis hippuris.It is having anti-viral activity and may used as a cancer therapy.


Hyaluronidases are a family of enzymes that degrade hyaluronic acid.It is used for enhancing absorption and distribution of other injected drugs.It is used in medicine in conjunction with other drugs to speed their dispersion and delivery.

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Hydromorphone is a potent centrally-acting analgesic drug of the opioid class. It is a derivative of morphine, to be specific, a hydrogenated ketone thereof and, therefore, a semi-synthetic drug. It is, in medical terms, an opioid analgesic and, in legal terms, a narcotic. It is used in medicine as an alternative to morphine for analgesia, and as a second- or third-line narcotic antitussive for cases of dry, painful, paroxysmal coughing resulting from continuing bronchial irritation after influenza and other ailments, inhalation of fungus, and other causes. In general, it is considered the strongest of the antitussive drugs, and was developed shortly after diacetylmorphine.


Isocarboxazid is an irreversible and nonselective monoamine oxidase inhibitor of the hydrazine chemical class used as an antidepressant and anxiolytic. It is used to combat numerous medical problems, such as: depression, social anxiety, panic disorder and also is in the process of becoming a medication to aid in the fight against Parkinson’s and other dementia-related disorders.

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Jatrorrhizine is a protoberberine alkaloid isolated from Enantia chlorantha and other species. It has been reported to have antiinflammatory effect, and to improve blood flow and mitotic activity in thioacetamide-traumatized rat livers. It was found to have antimicrobial and antifungal activity. It binds and noncompetitively inhibits monoamine oxidase. It interferes with multidrug resistance by cancer cells in vitro when exposed to a chemotherapeutic agent.

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L-Hyoscyamine is a chemical compound, a tropane alkaloid it is the levo-isomer to atropine. It is a secondary metabolite of some plants, particularly henbane. L-Hyoscyamine is used to provide symptomatic relief to various gastrointestinal disorders including spasms, peptic ulcers, irritable bowel syndrome, pancreatitis, colic and cystitis. It has also been used to relieve some heart problems, control some of the symptoms of Parkinson’s disease, as well as for control of respiratory secretions in end of life care. L-Hyoscyamine works by decreasing the motion of the stomach and intestines and the secretion of stomach fluids, including acid. L-Hyoscyamine is also used in the treatment of bladder spasms, peptic ulcer disease, diverticulitis, colic, irritable bowel syndrome, cystitis, and pancreatitis. L-Hyoscyamine may also be used to treat certain heart conditions, to control the symptoms of Parkinson's disease and rhinitis (runny nose), and to reduce excess saliva production.

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Lapathoside B

Lapathoside B and its derivatives are used in cancer treatment along with other compounds.


Levetiracetam is an anticonvulsant medication used to treat epilepsy. Levetiracetam may selectively prevent hypersynchronization of epileptiform burst firing and propagation of seizure activity. Levetiracetam binds to the synaptic vesicle protein SV2A, which is thought to be involved in the regulation of vesicle exocytosis. Although the molecular significance of levetiracetam binding to synaptic vesicle protein SV2A is not understood, levetiracetam and related analogs showed a rank order of affinity for SV2A which correlated with the potency of their antiseizure activity in audiogenic seizure-prone mice.

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Levomethadone is a synthetic opioid analgesic and antitussive which is marketed in Europe and is used for pain management and in opioid maintenance therapy.


Levothyroxine is a synthetically prepared levo isomer of thyroxine, the major hormone secreted from the thyroid gland. It is used as a hormone replacement for patients with thyroid problems. It is used to treat hypothyroidism, goiter, chronic lymphocytic thyroiditis, myxedema coma, and stupor.

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