How to... Select Options for Retrieving Substances
The Get Substances dialog box allows you to specify requirements for locating structure matches. To efficiently locate matches of interest, you can specify both structural and qualitative information up-front.
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After you draw your structure and click Get Substances, SciFinder offers you several options for retrieving substances.
Select the options that make the most sense for your query. Click OK. |
Type of Search
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Select... |
When you want to locate... |
Examples |
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Exact Search |
The specific structure drawn in your query |
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Substructure Search |
Structures in which your query structure is:
- part of a more complex structure
- embedded in a larger system
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Compounds containing your structure as well as:
- substitution at open positions
- additional ring fusion
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Similarity search |
Similar chemical structures |
Compounds containing:
- positional isomers
- different or fewer substituents
- different ring systems
Note: Queries may not include variable groups, repeating groups, or variable attachment positions. | |
Substance Classes
- By default, all types of substances are included. To limit your answer set, select only the type(s) that are of interest.
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If you want to include... |
Then... |
Example |
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One substance class |
Select the class that you want to include |
To retrieve only polymers, select:
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Multiple substance classes |
Select all of the classes you want to include |
To retrieve all classes except organice substances, select:
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Additional Filters
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If you apply multiple filters, such as References and Commercial availability, only substances that meet both criteria are retrieved.
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By default, all types of studies are included. To limit your answer set, select only the type(s) that are of interest. Select multiple types of studies to broaden your answer set. |
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Review your answers. |
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Working with substances... |
*Available for SciFinder subscription users only.
Updated: 4/15/2009 8:09:57 AM
