发明授权
US5869478A Sulfonamido substituted benzopyran derivatives 失效
磺酰胺取代的苯并吡喃衍生物

Sulfonamido substituted benzopyran derivatives
摘要:
##STR1## and pharmaceutically acceptable salts thereof wherein Y is a single bond, --CH
2 --, --C(O)--, --O--, --S-- or --N(R
14 )--; and R
1 to R
7 are as defined herein. These compounds have potassium channel activating activity and are useful, therefore for example, as cardiovascular agents.
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