| URCU | Uncariae Ramulus Cum Uncis |
| URH | Uncaria rhynchophylla |
| UHI | Uncaria hirsute |
| UMA | Uncaria macrophylla |
| USI | Uncaria sinensis |
| USE | Uncaria sessilifructus |
| UHO | Uncaria homomalla |
| USC | Uncaria scandens |
| RC | rhynchophylline |
| IRC | isorhynchophylline |
| CX | corynoxeine |
| ICX | isocorynoxeine |
| CN | corynoxine |
| CNB | corynoxine B |
| HTI | hirsutine |
| HTE | hirsuteine |
| HCA | Hierarchical clustering analysis |
| PCA | Principal component analysis |