| Similarity | Rank | |
|---|---|---|
| PERCODAN | 0.917 | 70179 |
| AMPHETAMINE | 0.910 | 58180 |
| HYDROCODONE | 0.907 | 38109 |
| DARVON | 0.906 | 90925 |
| PROPOXYPHENE | 0.904 | 66758 |
| DIAZEPAM | 0.904 | 41276 |
| MORPHINE | 0.899 | 61554 |
| METHADONE | 0.897 | 44502 |
| VALIUM | 0.894 | 43351 |
| CARISOPRODOL | 0.892 | 47824 |
| DIETHYLPROPION | 0.890 | 60727 |
| VICODIN | 0.890 | 44698 |
| OXYCONTIN | 0.889 | 53820 |
| OXYCODONE | 0.888 | 46737 |
| RITALIN | 0.887 | 39758 |
| XANAX | 0.886 | 44454 |
| PERCOCET | 0.885 | 44796 |
| CODEINE | 0.885 | 30981 |
| ADDERALL | 0.881 | 41836 |
| MODAFINIL | 0.878 | 49862 |
| TENUATE | 0.876 | 53501 |
| TEMAZEPAM | 0.876 | 65865 |
| ALPRAZOLAM | 0.873 | 54478 |
| DIDREX | 0.873 | 96313 |
| ZOLPIDEM | 0.872 | 38782 |