发明授权
US4376775A N-[4-(4-Pyridinyl)phenyl]ureas and their cardiotonic use 失效
N- [4-(4-吡啶基)苯基]脲及其强心剂用途

N-[4-(4-Pyridinyl)phenyl]ureas and their cardiotonic use
摘要:
Disclosed and claimed are N-R-N-40 [4-(4-2-R.sub.2 -3-R.sub.3 -5-R.sub.5 -6-R.sub.6 -4-pyridinyl)phenyl]ureas (I) or pharmaceutically-acceptable acid-addition salts thereof, where R is hydrogen, methyl or ethyl, R.sub.2 is hydrogen, methyl, ethyl or hydroxyl, R.sub.6 hydrogen, methyl or ethyl, and R.sub.3 and R.sub.5 are each hydrogen or methyl, their cardiotonic use and their preparation.
信息查询
0/0