| 摘要 |
24 The present invention relates to novel imidazonaphthyridine derivatives represented by the following formulae: <IMG> , <IMG> or <IMG> wherein R represents hydrogen, lower alkyl or -CH2R1 (where R1 represents phenyl or pyridyl) and pharmaceutically acceptable salts thereof. The compounds exhibit excellent anti-allergic, antiinflammatory and anti-asthmatic activities.
|
