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. 2018 Mar 1;9:151. doi: 10.3389/fphys.2018.00151

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Copyright © 2018 de Anda-Jáuregui, Guo, McGregor and Hur.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Heatmap of Tanimoto structural similarity. This heatmap represents structural similarities between 110 anti-inflammatory drugs. The color intensity is proportional to the similarity between the chemical structure of two drugs measured using the Tanimoto coefficient. Drugs were ordered using non-supervised hierarchical clustering. Clusters in this matrix contain drugs with close chemical structures. For instance, a large cluster (purple outline) contains hydrocortisone and other drugs derived from it.