| Similarity | Rank | |
|---|---|---|
| Nitric | 0.922 | 60879 |
| L-arginine | 0.893 | 67070 |
| oxide | 0.876 | 14027 |
| arginine | 0.861 | 50005 |
| vasodilator | 0.859 | 91177 |
| vasodilation | 0.851 | 78390 |
| Arginine | 0.843 | 81635 |
| nitrite | 0.838 | 58090 |
| adenosine | 0.825 | 62814 |
| L-Arginine | 0.824 | 82360 |
| prostaglandin | 0.822 | 68337 |
| acetylcholine | 0.816 | 55829 |
| monophosphate | 0.815 | 90460 |
| nitrates | 0.805 | 32715 |
| nitroglycerin | 0.803 | 57416 |
| nitrate | 0.803 | 24975 |
| prostaglandins | 0.802 | 69147 |
| biochemicals | 0.802 | 59896 |
| synthase | 0.798 | 79262 |
| enzyme | 0.796 | 11596 |
| testosterone | 0.795 | 9459 |
| guanosine | 0.791 | 98672 |
| hydrochloric | 0.791 | 58217 |
| norepinephrine | 0.791 | 48622 |
| oxidant | 0.791 | 81909 |