Matched Molecular Pairs provides an easy an interpretable analysis of chemical activity by highlighting change in biological activity by the change of a single group.
The MMP analysis is available for each basket (just click on the basket to access it)
The Show MMPs link will display each list of changes and their contribution to the change of the activity of compounds, in this case for aqueous toxicity.
For more information about MMPs read the OCHEM description or the article.