| 摘要 |
The invention relates to compound of formula (I) wherein: B represents hydrogen, COOR, CONRR', or (C<SUB>1</SUB>-C<SUB>6</SUB>)alkyl substituted by COOR, CONRR', or OR, G<SUB>1 </SUB>represents -X'-(CH<SUB>2</SUB>)<SUB>n</SUB>-X-(CH<SUB>2</SUB>)<SUB>m</SUB>-X''- chain wherein X, X', X'', n and m are as defined in the description, Cy represents a grouping of formula (II) or (III): G<SUB>2 </SUB>represents alkylene chain as defined in the description, and A represents NRCOR', NRCSR', CONRR', CSNRR', NRCONR'R'', or NRCSNR'R''. and medicinal products containing the same which are useful in treating or preventing melatoninergic disorders.
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