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A PROCESS FOR THE PREPARATION OF HIGHLY PURE 6,7-DICHLORO-5-NITRO-2,3-DIHYDROQUINOXALINE-2,3-DIONE
A PROCESS FOR THE PREPARATION OF HIGHLY PURE 6,7-DICHLORO-5-NITRO-2,3-DIHYDROQUINOXALINE-2,3-DIONE
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机译:制备高纯度的6,7-二氯-5-硝基-2,3-二氢喹喔啉-2,3-二酮的方法
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摘要
The present invention provides aprocess for the production of highly pure6,7-dichloro-5-nitro-2,3-dihydroquinoxaline-2,3-dione,wherein the crude6,7-dichloro-5-nitro-2,3-dihydroquinoxaline-2,3-dioneis recrystallized from solution of highly polar solventsand water.
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