Experimental conditions:
Wavelength: 230nm
Flow rate: 1.0 ml / min
Instrument used: CoMetro 6000 high performance liquid chromatograph
--- 6000 LDI precision constant flow pump
--- 6000 PVW UV detector
Mobile phase: methanol: water: phosphoric acid = 600: 400: 0.2
Column: Chenhang chromatography column 91181545 C18 5µ 150 × 4.6mm 001051
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