Last seen in:
- L.A. Times Daily - Jan 5 2025
- L.A. Times Daily - Jan 5 2025
- The Washington Post - Mar 21 2021
- L.A. Times Daily - Mar 21 2021
- The Washington Post Sunday - Mar 1 2020
- New York Times - Nov 7 2019
- Premier Sunday - King Feature Syndicate - Jan 7 2018
- Wall Street Journal - May 5 2014 - Bright Ideas
- L.A. Times Daily - Jan 4 2014
- L.A. Times Daily - Aug 30 2013
Related Clues:
- Ammonia compound
- Organic compound
- Organic compound containing the group CONH2
- Toluidine, e.g.
- Ammonia derivative
- Potassium ___
- Organic compound containing nitrogen
- Serotonin, e.g.
- NH(subscript)2 compound
- 'Excavating for --'
- '..., excavating for --'
- Sodium __: salt used in airbag systems
- Compound of 34 Down
- Inorganic compound
- Sodium ___