| Clue | Source | Date |
|---|---|---|
| For a number, the setter leaves four and nine out | The Times Cryptic | 24 Aug 2022 |
| Proprietary drug sometimes taken instead of aspirin | The Times Specialist Sunday | 03 Oct 2021 |
| 4 plus 9 minus 1 could give this number | ||
| Proprietary painkiller | The Telegraph General Knowledge | 18 Sep 2016 |