Memory enhancing and analgsic 1,2,3,3A,8,8A-Hexahydro--3A, 8(And

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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548429, A61K 3140, C07D48704

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active

055412165

ABSTRACT:
There are described compounds of the formula ##STR1## where (a) X is O or S;

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