| 摘要 |
The invention relates to benzoyl pyridazine derivatives of formula (I), wherein R<1>, R<2>, R<3> and Q have the meaning defined in claim 1. Said derivatives have a phosphodiesterase IV inhibiting effect and can be used in the treatment of osteoporosis, tumors, cachexia, atherosclerosis, rheumatoid arthritis, multiple sclerosis, diabetes mellitus, inflammatory processes, allergies, asthma, autoimmune diseases and AIDS.
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