| 发明名称 |
Pyridazinone derivatives, their preparation and use |
| 摘要 |
Compounds of formula (I): <IMAGE> (I) (wherein Q is oxygen or sulfur, the dotted line is a single or double bond, A is alkylene, and R1-R5 are a variety of atoms or organic groups) have excellent ability to potentiate myocardial contractivity and a variety of other properties, and can be used to treat cardiac disorders.
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| 申请公布号 |
US4914093(A) |
申请公布日期 |
1990.04.03 |
| 申请号 |
US19890325112 |
申请日期 |
1989.03.16 |
| 申请人 |
SANKYO COMPANY LIMITED |
发明人 |
MORISAWA, YASUHIRO;KATAOKA, MITSURU;KUMAKURA, SEIJI;KOIKE, HIROYUKI;KOBAYASHI, SHINSAKU |
| 分类号 |
A61K31/50;A61P1/04;A61P7/02;A61P9/04;A61P9/12;C07D237/00;C07D237/04;C07D237/14;C07D401/12;C07D403/12;C07D521/00 |
主分类号 |
A61K31/50 |
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