The Drawing Area pop-up menu appears when you right-click anywhere in the drawing area:
Choose Tool Palette or press Ctrl+RClick (right-click while pressing Ctrl) to open a palette with ChemWindow tools.
Choose Cut or press Ctrl+X to cut selected objects or text and place them in the Windows Clipboard.
Choose Copy or press Ctrl+C to place a copy of selected objects or text in the Windows Clipboard.
Choose Paste or press Ctrl+V to insert the contents of the Windows Clipboard into the active document or workspace.
Choose Undo or press Ctrl+Z to undo the last operation.
Choose Arrange > Bring to Front | Send to Back to change an object's layer.
Choose Arrange > Flip Horizontal | Flip Vertical to flip a selected graphic from side to side or top to bottom.
Choose Flip Smaller Fragment or press Ctrl+F to flip the smaller of two fragments that are connected by the selected bond.
Choose Edit Style to change the object's appearance.
Choose Edit Structure Title to create or edit the selected structure's title.
Choose Check Chemistry or press F10 to display suspected errors in the structure.
Choose Clean Up to adjust bond lengths and structures as needed to improve the appearance.