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Can I do an R-group structure search?

You want to find a set of derivatives in one query that match a core structure with substituent variation (R-group search). 

 

You can create an R-group search in CDD using the Marvin Sketch structure editor. You can also use the editor to create atom lists. Learn more about R-group, and other Markush structure searching directly from ChemAxon.

Here on Youtube you can watch the short video from ChemAxon for MarvinJS to see the steps:

 

If you prefer to read, here are the simple steps from ChemAxon for creating a single attachment point R-group search.

Here an simplified example of how your Marvin JS (or Sketch) drawing should look like:

rgroup.JPG