| Rating | Solver | Clue |
|---|---|---|
| ACERBIC | Bitter, astringent | |
| ERGOTINE | A powerful astringent alkaloid extracted from ergot as a brown, amorphous, bitter substance. It is used to produce contraction of the uterus. | |
| NARCEINE | An alkaloid found in small quantities in opium, and extracted as a white crystalline substance of a bitter astringent taste. It is a narcotic. Called also narceia. | |
| STRYPHNIC | ...ous acid, obtained by the action of acetic acid and potassium nitrite on uric acid, as a yellow crystalline substance, with a bitter, astringent... | |
| STYPHNIC | ...ne astringent acid, (NO2)3.C6H.(OH)2, obtained by the action of nitric acid on resorcin. Styphnic acid resembles picric acid, but is not bitt... | |