Over 25 alkaloids have been isolated from kratom. The most abundant alkaloids consist of three indoles and two oxindoles. The three indoles are mitragynine, paynanthine, and speciogynine-the first two of which appear to be unique to this species. The two oxindoles are mitraphylline and speciofoline.
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Some of them are very big, and some are very small. They all need certain basic articles. They can even just be stubs. This is a list of 1,000 basic articles every Wikipedia should contain. This page should include the same articles as meta:List of articles every Wikipedia should have/Version 1.3. Some of the articles are in bold. That means that it is very important that they be written. For a very long list of basic articles (10,000), see: Vital articles - expanded.