Welcome to STN Express 8.5
System Requirements
Logon Setup
Main Menu and Toolbar
Online Session
STN Online and Results Window Menus and Toolbars
Online Search Aids
Structure Searching Overview
Structure Drawing Tools
Structure Drawing Menus
    Structure Drawing Menu Bar Content
    Structure File Menu
    Structure Edit Menu
    Draw Menu
    Template Menu in Structure Drawing
    QueryDef Menu
       QueryDef (Query Definition) Menu Content
       Ring Isolation
       Bond Characteristics
       Node Characteristics
       Hydrogen Attachments
       Non-Hydrogen Attachments
       Other Attributes
       Generic Definition
       Markush Attributes
       Element Count
       Delocalized Charge
       Free Sites
       Review Functional Group STN Commands
       Query Verification
    Display Menu
    Window Menu
Reaction Queries
WPI Structures
Structure Preferences Menu
Creating Reports and Tables
Variable Group (R-group) Analysis
Main Preferences
Updating Support Files
Using Scripts
CAS Customer Center