| Similarity | Rank | |
|---|---|---|
| acetylcholine | 0.914 | 28040 |
| noradrenaline | 0.900 | 43276 |
| serotonin | 0.883 | 24619 |
| non-adrenergic | 0.883 | 94009 |
| glial | 0.879 | 39703 |
| ryanodine | 0.874 | 79480 |
| adrenergic | 0.874 | 51292 |
| 5-hydroxytryptamine | 0.873 | 96930 |
| non-cholinergic | 0.873 | 94101 |
| tetrodotoxin | 0.871 | 74922 |
| fmlp | 0.869 | 73417 |
| 5ht | 0.867 | 24450 |
| releasing | 0.865 | 95891 |
| neurogenic | 0.865 | 73828 |
| neurotransmitter | 0.864 | 19307 |
| enkephalin | 0.862 | 75498 |
| vasoactive | 0.862 | 49760 |
| axonal | 0.861 | 72078 |
| adrenal | 0.861 | 49323 |
| 5-lipoxygenase | 0.860 | 90483 |
| muscarinic | 0.859 | 66983 |
| hypercalcaemia | 0.858 | 66791 |
| calcitonin | 0.858 | 73393 |
| butyric | 0.856 | 78261 |
| oxidative | 0.855 | 38568 |