Related Clues:

• Scene
• Busy person's list heading
• ___ Annie, of 'Oklahoma!'
• Lilac, e.g.
• See 25-Across
• Without further ___
• Stink
• Carbon monoxide's lack
• Horrid smell
• Lead for a Lab
• Whiff
• Offend, in a way
• It may be left in a locker
• Garlic, for one
• Sure target