DIHYDROBENZOFURANES

The invention concerns compounds of formula (I), in which R1, R2, R3 and R4 have the meanings given in the description. These compounds are novel, effective PDE-inhibitors.

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Bibliographische Detailangaben
Hauptverfasser:	THIBAUT, ULRICH, ULRICH, WOLF-RUDIGER
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	The invention concerns compounds of formula (I), in which R1, R2, R3 and R4 have the meanings given in the description. These compounds are novel, effective PDE-inhibitors.