| Active principles | Rating | Bibliogr. | Expand | |
|---|---|---|---|---|
| 1 | 3',5'-Cyclic-AMP Phosphodiesterases | 100 | + | |
| 2 | Phospholipases | 32 | + | |
| 3 | 3',5'-Cyclic-GMP Phosphodiesterases | 30 | + | |
| 4 | Sphingomyelin Phosphodiesterase | 13 | + | |
| 5 | 2',3'-Cyclic-Nucleotide Phosphodiesterases | 12 | + | |
| 6 | Phosphodiesterase I | 9 | + |