OKAMOTO YOSHIHISA , INAMASU SACHIKO , KINOSHITA TOSHIO

The ring transformation reaction of nonfluorescent 4-amino-1H-1, 5-benzodiazepine-3-carbonitrile hydrochloride (1) with hydrogen peroxide to fluorescent benzimidazole was applied for the determination …

Chemical and Pharmaceutical Bulletin 28(8), 2325-2328, 1980

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