| Similarity | Rank | |
|---|---|---|
| phosphodiesterase | 0.797 | 53286 |
| PDE5 | 0.787 | 36875 |
| cGMP | 0.769 | 42119 |
| PDE-5 | 0.753 | 59128 |
| guanosine | 0.747 | 98672 |
| cavernosum | 0.736 | 79648 |
| Sildenafil | 0.733 | 23972 |
| Revatio | 0.728 | 93669 |
| monophosphate | 0.719 | 90460 |
| Vardenafil | 0.715 | 62777 |
| Generic | 0.714 | 12103 |
| vasodilator | 0.708 | 91177 |
| Tadalafil | 0.707 | 37951 |
| Inhibitors | 0.703 | 70527 |
| Citrate | 0.696 | 40345 |
| Levitra | 0.692 | 16011 |
| cavernosa | 0.692 | 55342 |
| inhibitors | 0.691 | 13701 |
| corpora | 0.690 | 44508 |
| dapoxetine | 0.689 | 38111 |
| vasodilation | 0.688 | 78390 |
| erectile | 0.681 | 8147 |
| Dapoxetine | 0.680 | 69436 |
| doxazosin | 0.678 | 81664 |
| dysfunction | 0.678 | 6160 |