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公开(公告)号:EP0380588A4
公开(公告)日:1991-04-03
申请号:EP88910246
申请日:1988-09-28
IPC分类号: C07D307/81 , A61K31/34 , A61K31/343 , A61P9/00 , A61P9/08 , C07D307/80 , C07D307/18 , C07D405/10 , C07D407/10
CPC分类号: C07D307/80
摘要: The disclosure relates to compounds of formula (I) and pharmaceutically acceptable addition salts thereof wherein X represents a single, direct bond or a substituted or unsubstituted alkylene chain containing 1 to 4 carbon atoms, wherein R5 is a lower alkyl group, wherein R6 is either hydrogen or methyl, wherein Am is selected from the class consisting of amino, lower mono and dialkylamino, piperidino, piperazino, N-lower alkyl piperazino, pyrrrolidino, and morpholino groups wherein Y1 and Y2 are identical and are hydrogen, a halogen, methyl or ethyl and n is an integer in the range of 1-5. They are useful in treating arrhythmic conditions and conditions for which treatment with a vasodilator is indicated.