| 摘要 |
PCT No. PCT/EP97/04191 Sec. 371 Date Feb. 9, 1999 Sec. 102(e) Date Feb. 9, 1999 PCT Filed Aug. 1, 1997 PCT Pub. No. WO98/06704 PCT Pub. Date Feb. 19, 1998Arylalkanoylpyridazine derivatives of the formula I and the physiologically acceptable salts thereof in which R1, R2, R3, R4, Q and B have the meanings given in claim 1 act as phosphodiesterase IV inhibitors and can be employed for the treatment of osteoporosis, tumors, atherosclerosis, rheumatoid arthritis, multiple sclerosis, diabetes mellitus, inflammatory processes, allergies, asthma, autoimmune diseases and AIDS.
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