| 摘要 |
The invention concerns novel esters of 4-(1-hydroxy-2-[(acylamino)alkylamino]ethyl)phenols of the formula: <IMAGE> I and salts thereof, wherein R1 and R2 are (3-5C)alkyl, R3 and R4 are hydrogen or methyl, A is a direct bond or methylene, and Q is various heteroaromatic containing groups. The esters possess topical anti-inflammatory properties and the invention provides pharmaceutical compositions containing the esters and processes for their chemical manufacture. |
