Volume 1 Chapter 5 Guide to Search Details in Volume 2

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Two-dimensional searching of chemical structures involves a search of the chemical connectivity field of database entries. In this chapter it is convenient to first develop the features of a 2D connectivity search test in terms of Basic QUEST and then illustrate how the instruction packet can be easily constructed using Graphics QUEST3D.

6.1 Types of 2D Connectivity Search

Four types of 2D chemical connectivity search are available, as illustrated below.

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Volume 1 Chapter 6 2D Searching in Basic QUEST.