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NOVEL PROCESS FOR THE PREPARATION OF INDIGOTINDISULFONATE SODIUM (INDIGO CARMINE)
NOVEL PROCESS FOR THE PREPARATION OF INDIGOTINDISULFONATE SODIUM (INDIGO CARMINE)
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机译:制备靛蓝二磺酸钠(靛蓝胭脂红)的新方法
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摘要
This invention relates to an improved method for the preparation of highly or substantially pure Indigotindisulfonate sodium (1). It further relates to the novel crystalline form I of Indigotindisulfonate sodium (1) and the process for its preparation.
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