| Date | Grid | Clue | Author | Editor |
|---|---|---|---|---|
| Sat, Jul 02, 2022 | 22D | Certain hydrocarbon | Evan Kalish | Shortz |
| Sun, Aug 28, 2011 | 16D | Compound also called an olefin | Patrick Berry | Shortz |
| Sun, Oct 14, 2007 | 27A | C2H4, e.g. | Elizabeth C. Gorski | Shortz |
| Mon, Oct 11, 1999 | 44D | Certain hydrocarbon | Gregory E. Paul | Shortz |
| Sun, Jun 08, 1997 | 112A | C4H8, e.g. | Richard Silvestri | Shortz |