| Similarity | Rank | |
|---|---|---|
| Ephedrine | 0.928 | 76386 |
| ephedra | 0.915 | 46705 |
| pseudoephedrine | 0.887 | 74568 |
| phentermine | 0.865 | 22944 |
| amphetamine | 0.848 | 38848 |
| sibutramine | 0.842 | 78441 |
| Meridia | 0.840 | 63830 |
| EPHEDRINE | 0.838 | 44752 |
| Phentermine | 0.831 | 32293 |
| Ephedra | 0.829 | 66719 |
| propoxyphene | 0.822 | 97081 |
| carisoprodol | 0.815 | 71878 |
| hydrocodone | 0.813 | 24091 |
| amphetamines | 0.811 | 47286 |
| hydrochloride | 0.809 | 37511 |
| Adipex | 0.807 | 56119 |
| butalbital | 0.806 | 84120 |
| hcl | 0.806 | 40544 |
| temazepam | 0.806 | 84878 |
| stimulants | 0.803 | 26698 |
| acetaminophen | 0.802 | 29872 |
| opiates | 0.800 | 35674 |
| tartrate | 0.797 | 95780 |
| levothyroxine | 0.797 | 72325 |
| suppressants | 0.793 | 62702 |