Berri-balzac

Rene Baronnet

Raymond Callendret

This invention relates to compounds having the formula: ##STR1## in which R.sub.1 and R.sub.2 are independently hydrogen, a C.sub.1-4 alkyl group or an aliphatic or aromatic acyl group, provided R.sub.1 and R.sub.2 are not simultaneously hydrogen, or, together with the nitrogen atom to which they are attached, R.sub.1 and R.sub.2 form a 5- or 6-membered ring which may carry another heteroatom; R.sub.3 is a C.sub.1-4 alkyl group; and R.sub.4 and R.sub.5 represent independently a hydrogen or halogen atom, a C.sub.1-4 alkyl group or a C.sub.1-4 alkoxy group; and the acid addition salts of the above compounds. Said new compounds have an anxiolytic and diuretic action, together with a spasmolytic action of non-.alpha.-adrenalytic nature on the unstriated muscle fibers.

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Garches, France

Rene Baronnet