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Introduction The importance of rings in medicinal chemistry is underlined by the fact that the large majority of bioactive molecules contain at least a single ring system as their structural element. Only 0.42% of bioactive molecules in the ChEMBL database do not contain any ring. In the small molecule drugs approved by FDA in the last 20 years 95.1% of these molecules contain at least one ring.
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As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.