| Similarity | Rank | |
|---|---|---|
| ephedrine | 0.887 | 35010 |
| narcotic | 0.848 | 27685 |
| amphetamine | 0.848 | 38848 |
| acetaminophen | 0.832 | 29872 |
| hydrochloride | 0.829 | 37511 |
| hydrocodone | 0.828 | 24091 |
| opiates | 0.828 | 35674 |
| amphetamines | 0.827 | 47286 |
| fentanyl | 0.827 | 74000 |
| phenobarbital | 0.826 | 93181 |
| methylphenidate | 0.824 | 78069 |
| Oxycodone | 0.820 | 56911 |
| Acetaminophen | 0.819 | 77551 |
| barbiturates | 0.817 | 79147 |
| morphine | 0.816 | 23737 |
| codeine | 0.813 | 21068 |
| OxyContin | 0.809 | 45763 |
| Hydrocodone | 0.809 | 59726 |
| tartrate | 0.808 | 95780 |
| Oxycontin | 0.807 | 61490 |
| metoclopramide | 0.807 | 93117 |
| temazepam | 0.806 | 84878 |
| propoxyphene | 0.805 | 97081 |
| buspirone | 0.804 | 94593 |
| Ephedrine | 0.802 | 76386 |