| Similarity | Rank | |
|---|---|---|
| butalbital | 0.921 | 84120 |
| carisoprodol | 0.916 | 71878 |
| Darvocet | 0.908 | 87417 |
| Ultram | 0.903 | 46580 |
| temazepam | 0.894 | 84878 |
| darvocet | 0.891 | 81925 |
| Hydrocodone | 0.889 | 59726 |
| modafinil | 0.886 | 63926 |
| hydroxyzine | 0.885 | 90513 |
| hydrocodone | 0.883 | 24091 |
| atenolol | 0.881 | 61217 |
| Tramadol | 0.879 | 32170 |
| levothyroxine | 0.876 | 72325 |
| fioricet | 0.873 | 63022 |
| Vicodin | 0.872 | 36098 |
| Lortab | 0.869 | 77503 |
| atorvastatin | 0.869 | 67193 |
| Percocet | 0.868 | 53614 |
| Fioricet | 0.868 | 79337 |
| PROPOXYPHENE | 0.868 | 66758 |
| nifedipine | 0.868 | 90633 |
| Neurontin | 0.867 | 73439 |
| DARVON | 0.866 | 90925 |
| HYDROCODONE | 0.865 | 38109 |
| methadone | 0.865 | 26576 |