Context: Right-clicking on an atom.
Duplicate: Takes a copy from the atom in context.
+ R-group attachment : gives an R-group attachment to the atom
- R-group attachment : removes an R-group attachment from the atom
Attached Data...: opens Attached Data dialog window.
Atom properties: opens the Atom properties dialog window.
*Absolute stereo (chiral) :** Sets the "Absolute" chiral flag on the entire structure, indicating that the molecule represents a single, well-defined stereoisomer.
R-logic: opens the R-logic dialog.
Paste: adds structure from clipboard to canvas
***** Absolute stereo flag is displayed only when the chiral flag visibility is turned on in View Settings dialog.