Oral preparation comprising specific organic acid, and method for improvement in elution property and chemical stability of oral preparation

A chemically stable oral preparation with an excellent dissolution property comprising as an effective ingredient a specific morphinan derivative or a pharmaceutically acceptable acid addition salt thereof is disclosed. The oral preparation according to the present invention comprises a specific mor...

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Bibliographische Detailangaben

Hauptverfasser:	HIROYUKI TOKUMITSU, SATOSHI MINAKAMI, KOTOE OHTA
Format:	Patent
Sprache:	eng
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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