| Similarity | Rank | |
|---|---|---|
| ULTRACET | 0.971 | 92923 |
| ULTRAM | 0.968 | 42384 |
| BUTALBITAL | 0.967 | 50181 |
| FIORICET | 0.964 | 49676 |
| FLEXERIL | 0.960 | 81212 |
| CYCLOBENZAPRINE | 0.955 | 93247 |
| VALIUM | 0.955 | 43351 |
| CARISOPRODOL | 0.954 | 47824 |
| CODEINE | 0.953 | 30981 |
| ZOLPIDEM | 0.952 | 38782 |
| CLONAZEPAM | 0.950 | 64424 |
| HYDROCODONE | 0.949 | 38109 |
| TENUATE | 0.947 | 53501 |
| TEMAZEPAM | 0.946 | 65865 |
| VICODIN | 0.946 | 44698 |
| ALPRAZOLAM | 0.946 | 54478 |
| ATIVAN | 0.945 | 42739 |
| KLONOPIN | 0.943 | 55427 |
| PROPOXYPHENE | 0.943 | 66758 |
| XANAX | 0.943 | 44454 |
| PROVIGIL | 0.943 | 41795 |
| PERIACTIN | 0.942 | 49518 |
| DIAZEPAM | 0.940 | 41276 |
| IMITREX | 0.940 | 66252 |
| PERCOCET | 0.938 | 44796 |