| 摘要 |
<p>Disclosed are pyridazine derivatives of formula (I), which act as phosphodiesterase IV inhibitors and can be used for treating osteoporosis, tumors, cachexia, atherosclerosis, rheumatoid arthritis, multiple sclerosis, diabetes mellitus, inflammatory processes, allergies, asthma, autoimmune diseases, myocardial diseases, and AIDS.</p> |
