Chapter 5. Substructure and Similarity Searching

  1. Damon D. Ridley

Published Online: 15 OCT 2009

DOI: 10.1002/9780470749418.ch5

Information Retrieval: SciFinder®, Second Edition

Information Retrieval: SciFinder®, Second Edition

How to Cite

Ridley, D. D. (2009) Substructure and Similarity Searching, in Information Retrieval: SciFinder®, Second Edition, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470749418.ch5

Author Information

  1. School of Chemistry, The University of Sydney, Australia

Publication History

  1. Published Online: 15 OCT 2009
  2. Published Print: 16 OCT 2009

ISBN Information

Print ISBN: 9780470712474

Online ISBN: 9780470749418



  • substructure and similarity searching;
  • Substructure or Similarity searches - helping to understand issues;
  • Similarity search, connectivities in query preserved in part;
  • Searching Substances - Substructure;
  • complications arising with tautomers;
  • precision candidates screen for query;
  • Show precision analysis - tool presenting user with options;
  • additional search refinements;
  • performing Similarity search;
  • additional structure query options


This chapter contains sections titled:

  • Introduction

  • Searching Substances: Substructure

  • Searching Structures: Working from the Initial Substance Answer Set

  • Similarity Search

  • Further Examples of Show Precision Analysis

  • Additional Structure Query Options

  • Getting References

  • Combining Explore Substances and Explore References

  • Summary of Key Points