It has been found that the new piperazine derivatives substituted by an Aromatic System in a nitrogen and other nitrogen (2.5 - dioxopirrolidina) - 1.Alcanes (y1) or dioxopiperidina - 2.6 - 1 - y1) alcanes A1A, exhibit an adrenergic activity.The compounds are useful for the treatment of Disease conditions, such as Peripheral Vascular Disease, congestive heart failure,Especially for hypertension and benign prostatic hypertrophy. File = " EMI 99045842 _ 1" id = "1" = MFI JPEG
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