Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-01-17
1993-06-01
Shah, Mukund J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
540480, 540482, 540454, A61K 3133, C07D41314
Patent
active
052159809
ABSTRACT:
Compounds of the formula: ##STR1## where R is hydrogen, C.sub.1 -C.sub.10 alkylcarbonyl, or C.sub.1 -C.sub.10 alkyl which can be substituted by amino or cyano, R.sup.1 and R.sup.2 are independently hydrogen, hydroxyl or amino, and the pharmaceutically aceptable salts and esters thereof. Pharmaceutical compositions and methods of their use are also provided for.
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Billups Richard C.
Grassler Frank P.
Gupta Y. N.
Merck & Co. , Inc.
Shah Mukund J.
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