Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1994-10-26
1996-09-10
Cook, Rebecca
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
540350, C07D48704, A61K 3140
Patent
active
055546064
ABSTRACT:
The present invention provides a compound of the formula (I) ##STR1## wherein: R.sup.1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl;
R.sup.2 is hydrogen or C.sub.1-4 alkyl;
R.sup.3 and R.sup.4 are ortho with respect to one another wherein R.sup.3 and R.sup.4 are independently hydroxy or in vivo hydrolyzable esters thereof; the benzene ring being optionally further substituted; or a pharmaceutically acceptable salt or in vivo hydrolyzable ester thereof.
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Betts Michael J.
Breault Gloria A.
Cook Rebecca
Zeneca Limited
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