Context: Right-clicking on an empty place on the canvas.

| Context menu item | Description |
|---|---|
| Absolute stereo (chiral) | Sets the Absolute chiral flag on the entire structure, indicating that the molecule represents a single, well-defined stereoisomer. |
{info} The Absolute stereo flag is displayed only when the chiral flag visibility is turned on in View settings dialog.
Context: Right-clicking on an empty place when there is at least one R-group definition on the canvas.

| Context menu item | Description |
|---|---|
| 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 R-logic dialog. |
{info} The Absolute stereo flag is displayed only when the chiral flag visibility is turned on in View settings dialog.