Bronchodilating hydantoin derivatives

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Parasitic organism or component thereof or substance...

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Details

548309, 548313, 549420, A61K 31415, C07D23378

Patent

active

044130023

ABSTRACT:
Compounds of formula (I), or salts thereof: ##STR1## wherein: X is oxygen or sulphur, or >C.dbd.X represents ##STR2## Y is --CH.sub.2 --CH.sub.2 -- or --CH.dbd.CH--; n is 1 to 5;

REFERENCES:
patent: 4147796 (1979-04-01), Wootton
patent: 4152445 (1979-05-01), Wootton
patent: 4204068 (1980-05-01), Caldwell et al.

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