Teaching Chemical Information:
Tips and Techniques
— March 1998 —
Structure Search Retrieval: Review and Comparison
The following structure was used as the query in a structure search. Compare the substances retrieved by each type of structure search.

Exact Structure Search

Family Structure Search
Mixture of:

Amine salt of an organic acid

Polymer of

Substructure Structure Search

Unless you specify otherwise in a substructure search:
- Any type of substituent may occur at positions not blocked by hydrogens
- Your structure may be a structural fragment, embedded within a larger structure