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English name               Entecavir

Chinese name                  恩替卡韦

Quality standard                 In-house

Certification                   GMP DMF

CAS NO                            142217-69-4

Therapeutic area         Anti infection







Neostigmine is a parasympathomimetic that acts as a reversible acetylcholinesterase inhibitor.Neostigmine is made by first reacting 3-dimethylaminophenol with N-dimethylcarbamoyl chloride, which forms a dimethylcarbamate. It is used to improve muscle tone in people with myasthenia gravis and routinely in anesthesia to reverse the effects of non-depolarizing muscle relaxants such as rocuronium and vecuronium at the end of an operation, usually in a dose of 25 to 50 μg per kilogram.It can also be used for urinary retention resulting from general anesthesia and to treat curariform drug toxicity.

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p-Anisidine is the least toxic of the three isomers of anisidine but still causes blood damages upon oral ingestion, inhalation or skin contact. If heated strongly, it may release very toxic fumes of nitrogen oxides. p-Anisidine is used as intermediaries in the production of azo-dyes and pharmaceuticals.

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Varenicline  is a prescription medication used to treat nicotine addiction. Varenicline is a nicotinic receptorpartial agonist—it stimulates nicotine receptors more weakly than nicotine itself does. In this respect it is similar to cytisine and different from the nicotinic antagonistbupropion, and nicotine replacement therapies (NRTs) like nicotine patches and nicotine gum. As a partial agonist it both reduces cravings for and decreases the pleasurable effects of cigarettes and other tobacco products. Through these mechanisms it can assist some patients to quit smoking...


2,3-Xylidine is an important raw material of producing anti-in-flammatory Mefenamic Acid.It also can be used in the production of dyes, pesticides.

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2,6-Lutidine is a natural heterocyclic aromatic organic compound and it  has been evaluated for use as a food additive owing to its nutty aroma when present in solution at very low concentrations.


2-Butylfuran is a clear colourless compound used mainly as flavouring agents. It is widely used in snacks food and seasoning.

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2-Ethylfuran is a colorless compound with sweet burnt earthy malty odor ,widely used as flavoring agents.

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3-Bromofuran is a clear yellow-to-brown liquid with an aromatic odor.It is used as a solvent for refining lubricating oils and butadiene extraction. It is used as a fungicide and weed killer. It is used in the production of tetrahydrofuran (THF).Niitro-substituted furan derivatives are used as biocides or fungicides to inhibit bacterial growth.

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8-Azaguanine is a purine analog. It functions as an antimetabolite and is easily incorporated into ribonucleic acids. It shows antineoplastic activity and has been used in the treatment of acute leukemia. 8-Azaguanine was the first purine analogue discovered to inhibit experimental tumors in mice.

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