| 摘要 |
PROBLEM TO BE SOLVED: To provide a method which stabilizes (7S, 9S)-9-acetyl-9-amino-7-[(2- deoxy-β-D-erythro-pentapyranosil)oxy]-7,8,9,10-tetrahydro-6,11-dihydroxy-5,12- naphthacenediol hydrochloride (herein after abbreviated as amrubicin hydrochloride) expressed by general formula (1), more stably. SOLUTION: The method of stabilization for the amrubicin hydrochloride characteristically sets the water content of the amrubicin hydrochloride at 3-8 wt.%. COPYRIGHT: (C)2003,JPO
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