Cerebral function enhancing pyrimidinyl derivatives

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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514269, 544298, 544326, 544329, A61K 31505, A61K 31445, C07D40114

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active

050989049

ABSTRACT:
A series of pyprimidinyl compounds of formulae I, II and III; ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from hydrogen and hydroxy;

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