Acetylspiramycin
P / N: Chenhang chromatography column 88182545 C18, 5u 250 × 4.6mm
Chromatographic conditions:
Mobile phase: acetonitrile: 0.1 ammonium acetate phosphoric acid = 60:40 (adjust pH to 7.2 ± 0.1 with dilute acetic acid)
Wavelength: 232nm Flow rate: 1.0ml / min
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