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Nemonapride is a typical antipsychotic approved in Japan for the treatment of schizophrenia. It was launched by Yamanouchi in 1991. It acts as a D2 and D3 receptor antagonist.


Niclosamide is a teniacide in the anthelmintic family especially effective against cestodes that infect humans. It is also used as a piscicide. It is stressed that while antihelmintics are a drug family used to treat worm infections, niclosamide is used specifically to treat tapeworms and is not effective against worms such as pinworms or roundworms. It is a chewable tablet taken orally, dosage depending on type of worm and patient's age and weight. Niclosamide molecules are lethal to tapeworms upon contact.

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Nogalamycin is an anthracycline. It is too toxic to be used clinically but it has a unique structure among aromatic polyketides, which makes it interesting.


Nonoxynol-9 is an organic compound that is used as a surfactant. It is a member of the nonoxynol family of nonionic surfactants. Nonoxynol-9 and related compounds are ingredients in various cleaning and cosmetic products. It is widely used in contraceptives for its spermicidal properties. However, its use in STI prevention is controversial.

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Norfloxacin is a synthetic chemotherapeutic antibacterial agent. Norfloxacin is a first generation synthetic fluoroquinolone (quinolone).Norfloxacin interacts with a number of other drugs, as well as a number of herbal and natural supplements. Norfloxacin is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria. It functions by inhibiting DNA gyrase, a type II topoisomerase, and topoisomerase IV, enzymes necessary to separate bacterial DNA, thereby inhibiting cell division. Norfloxacin has been reported to rapidly cross the blood-placenta and blood-milk barrier, and is extensively distributed into the fetal tissues.

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Omoconazole is an azole antifungal drug.


Ondansetron is a serotonin 5-HT3 receptor antagonist used mainly as an antiemetic to treat nausea and vomiting, often following chemotherapy. Its effects are thought to be on both peripheral and central nerves. It reduces the activity of the vagus nerve, which deactivates the vomiting center in the medulla oblongata, and also blocks serotonin receptors in the chemoreceptor trigger zone. It has little effect on vomiting caused by motion sickness, and does not have any effect on dopamine receptors or muscarinic receptors.

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Oxalic Acid

Oxalic acid is a dicarboxylic acid. It's main applications include cleaning or bleaching, especially for the removal of rust. About 25% of produced oxalic acid is used as a mordant in dyeing processes. It is used in bleaches, especially for pulpwood.

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Oxaliplatin is a coordination complex that is used in cancer chemotherapy. Oxaliplatin is classified as an alkylating agent. Oxaliplatin is used to treat colon or rectal cancer that has spread (metastasized), it is often given in combination with other anticancer drugs (fluorouracil and leucovorin). Oxaliplatin is a clear liquid that you have through a drip into a vein. It usually takes about 2 hours but may be given more slowly and take up to 6 hours if you have side effects. Oxaliplatin interferes with the growth of cancer cells, which are eventually destroyed.

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Oxamethacin is a non-steroidal anti-inflammatory drug.

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