Riboflavin sodium phosphate compound and pharmaceutical composition thereof
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The invention discloses riboflavin sodium phosphate compound. The riboflavin sodium phosphate composition is characterized in that an X-ray diffraction spectrum of the riboflavin sodium phosphate composition shows feature diffraction peaks at 2 theta including 7.5 +/- 0.2 degrees, 7.7 +/- 0.2 degrees, 9.8 +/- 0.2 degrees, 12.3 +/- 0.2 degrees, 13.1 +/- 0.2 degrees, 15.7 +/- 0.2 degrees, 16.8 +/- 0.2 degrees, 17.9 +/- 0.2 degrees, 18.5 +/- 0.2 degrees, 20.0 +/- 0.2 degrees, 20.8 +/- 0.2 degrees, 22.3 +/- 0.2 degrees, 23.2 +/- 0.2 degrees, 24.1 +/- 0.2 degrees, 24.9 +/- 0.2 degrees, 27.2 +/- 0.2 degrees and 29.5 +/- 0.2 degrees. The invention further discloses composition containing the riboflavin sodium phosphate compound and a preparation method of the composition. The stability of the crystal structure of the prepared riboflavin sodium phosphate compound is better, the stability of freeze-dried powder of the composition is good, storage and transportation are easy, the preparation process is simple and convenient, the freeze-drying process effect is good, and the medicine treatment effect is good.