| Keyword | CPC | PCC | Volume | Length string | Score |
|---|---|---|---|---|---|
| artemisinin derivatives | 0.87 | 0.1 | 2605 | 23 | 24 |
| artemisinin derivatives drugs | 1.28 | 1 | 5846 | 29 | 22 |
| artemisinin and its derivatives | 0.07 | 0.7 | 2325 | 31 | 39 |
| artemisinin was extracted from | 1.16 | 0.8 | 13 | 30 | 60 |
| the influence of artemisinin | 0.52 | 0.6 | 3036 | 28 | 86 |
| the discovery of artemisinin | 1.52 | 0.3 | 4070 | 28 | 57 |
| chemical structure of artemisinin | 1.89 | 0.1 | 3448 | 33 | 50 |
| the birth of artemisinin | 0.26 | 0.2 | 7554 | 24 | 9 |
| total synthesis of artemisinin | 0.64 | 0.4 | 1734 | 30 | 81 |
