| Clue | Source | Date |
|---|---|---|
| Chemical group with the formula -OH | New York Times | 31 May 2019 |
| Chemical group with the formula -OH | ||
| Radical hotel overlooking backs of chateaux by hill | The Times Cryptic | 09 Feb 2017 |
| Unknown person sneaking in slyly, dryly...OH, OH! | ||
| Group with an OH |