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US 4,065,453 AGranted
Levorotatory molindone and the use as an antidepressant
AssigneeEndo Laboratories, Inc.
InventorMichael Finizio
Life of this patent
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Abstract
The levorotatory enantiomer of molindone [3-ethyl-6,7-dihydro-2-methyl-5-(morpholinomethyl)-indol-4(5H)-one] has been isolated and found to have significantly greater antidepressant activity than the corresponding racemate.
Claims3
The levorotatory enantiomer of 3-ethyl-6,7-dihydro-2-methyl-5(morpholinomethyl)indol-4 (5H)-one or a pharmaceutically acceptable acid addition salt thereof in the absence of any substantial amount of the dextrorotatory enantiomer.
Dependencies are inferred from the claim text.