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Sildenafil structure

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    Sildenafil structure


    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. viagra adelaide In 3D with Jsmol Viagra -- Sildenafil Citrate Sildenafil citrate, sold under the names Viagra, Revatio and under various other names, is a drug used to treat male erectile dysfunction (impotence) and pulmonary arterial hypertension (PAH), developed by the pharmaceutical company Pfizer. Its primary competitors on the market are tadalafil (Cialis), and vardenafil (Levitra). History Sildenafil (compound UK-92,480) was synthesized by a group of pharmaceutical chemists working at Pfizer's Sandwich, Kent research facility in England. It was initially studied for use in hypertension (high blood pressure) and angina pectoris (a form of ischaemic cardiovascular disease). Phase I clinical trials under the direction of Ian Osterloh suggested that the drug had little effect on angina, but that it could induce marked penile erections.[1][2] Pfizer therefore decided to market it for erectile dysfunction, rather than for angina. The drug was patented in 1996, approved for use in erectile dysfunction by the Food and Drug Administration on March 27, 1998, becoming the first pill approved to treat erectile dysfunction in the United States, and offered for sale in the United States later that year.[3] It soon became a great success: annual sales of Viagra in the period 1999–2001 exceeded $1 billion. The British press portrayed Peter Dunn and Albert Wood as the inventors of the drug, a claim which Pfizer disputes.[4] Their names are on the manufacturing patent application drug, but Pfizer claims this is only for convenience.

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    Sildenafil structure

    VIAGRA® sildenafil citrate Description Pfizer Medical Information., Sildenafil - an overview ScienceDirect Topics

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    You can check out the structure of sildenafil in this lesson's image. And if you keep reading, you'll also learn exactly how it is that sildenafil works at treating both. viagra before and after photos Structure of Sildenafil Citrate drug It is a novel oral agent for the treatment of penile erectile dysfunction 1, 2. It is an a ctive inhibitor of the type V-cyclic. Is a drug for the treatment of erectile dysfunction. Here we present the X-ray crystal structure of the sildenafil base. C22H30N6O4S. The compound crystallizes.

     
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