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US 4,234,736 AGranted
Antiandrogenic and schistosomicidal imidazolidine derivatives
AssigneeHoffmann-La Roche Inc.
InventorsKarl Bernauer, Helmut Link, Harro Stohler
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Abstract
Imidazolidine derivatives, as well as processes for their preparation, which have antiandrogenic and schistosomicidal activity.
Claims1
A compound of the formula ##STR26## wherein ##STR27## is selected from the group consisting of ##STR28## and R.sub.a is ##STR29## wherein X.sub.a is oxygen or imino, R.sub.4a is lower alkyl and R.sub.5a is hydrogen or alkyl of from 2 to 4 carbon atoms.
Dependencies are inferred from the claim text.