This section gives an overview of Retrieval possibilities using substructure searching Structure drawing precision tools Structure evaluation tools for use in Explore by Chemical Substance or Reaction . Definition Substructure searching refers to the capability to use a structure as a search term and locate chemical structures containing that structural skeleton.
Tools are available to control substructure retrieval.
A decision chart summarizes applications of these drawing tools. The Preview tool is used prior to a substructure search to evaluate a substructure by looking at a representative sample of answers.