摘要 |
The invention relatests compound of formula (I): wherein: n is 1, 2 or 3, A represents a group or a group X represents N or NR<SUP>1</SUP>, R<SUP>2 </SUP>represents an alkoxy, cycloalkyloxy or cycloalkylalkyloxy group. and medicinal products containing the same which are useful in treading or in preventing melatoninergic disorder.
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