Undo Bond Change Undo Atom Change Undo New Bonds Undo New Bond Undo New Atom Undo Set To Identity Undo Identity Undo Reflect Undo Invert Undo Move Bond Undo Move Atom Undo Rotation Settings Undo Rotation Undo Viewing Undo Scaling Undo Settings Undo Editing Undo Select All Undo Clear Undo Paste Undo Copy Undo Cut Undo Can’t Undo