| Similarity | Rank | |
|---|---|---|
| nitrates | 0.911 | 32715 |
| Nitrate | 0.887 | 90091 |
| nitrate | 0.847 | 24975 |
| nitrite | 0.810 | 58090 |
| nitrites | 0.806 | 89499 |
| nitroglycerin | 0.754 | 57416 |
| Nitric | 0.751 | 60879 |
| Potassium | 0.743 | 42240 |
| isosorbide | 0.743 | 85080 |
| Chloride | 0.738 | 78692 |
| nitric | 0.736 | 25998 |
| Ammonia | 0.734 | 78473 |
| Citrate | 0.732 | 40345 |
| Medications | 0.728 | 28976 |
| Toxicity | 0.722 | 69211 |
| L-arginine | 0.722 | 67070 |
| Tadalafil | 0.722 | 37951 |
| Sodium | 0.721 | 31914 |
| Phosphorus | 0.720 | 67996 |
| Revatio | 0.719 | 93669 |
| hydrochloric | 0.719 | 58217 |
| Sulfate | 0.718 | 81232 |
| Vardenafil | 0.717 | 62777 |
| phosphates | 0.716 | 65870 |
| Caverta | 0.716 | 78714 |