There are four structure search options in STNext: exact, family, closed substructure, and substructure.
Structure Search Type | Retrieval |
Use Variables? |
EXA (exact) | Stereoisomers, charged, and isotopically labeled structures | No |
FAM (family) |
Stereoisomers, charged, and isotopically labeled structures + salts, mixtures |
No |
CSS (closed substructure search) |
Stereoisomers, charged, and isotopically labeled structures, salts, mixtures + substances with no substitutions at open nodes unless the query is specified for substitution |
Yes |
SSS (substructure search) |
Stereoisomers, charged, and isotopically labeled structures, salts, mixtures, substances with no substitutions at open nodes unless the query is specified for substitution + analogs and derivatives of a core structure. The SSS search is the default search type. |
Yes |