| 发明名称 |
New quaternary ammonium compounds, their preparation and use |
| 摘要 |
Compounds of formula <IMAGE> (I) wherein the substituents are defined hereinbelow, useful in the treatment of bronchospasm are described.
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| 申请公布号 |
US5223614(A) |
申请公布日期 |
1993.06.29 |
| 申请号 |
US19900603585 |
申请日期 |
1990.10.25 |
| 申请人 |
BOEHRINGER INGELHEIM GMBH |
发明人 |
SCHROMM, KURT;MENTRUP, ANTON;RENTH, ERNST-OTTO;MUALCEVIC, GOJKO;TRAUNECKER, WERNER |
| 分类号 |
C07C217/60;C07C237/10;C07C309/14;C07D213/20;C07D213/38;C07D265/36;C07D413/12;C07D521/00 |
主分类号 |
C07C217/60 |
| 代理机构 |
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