Column色谱柱: Luna C-8, 3 µm, 150 x 2.0 mm, Mobile Phase: A: H2O + 0.2 % formic acid + 10 mM ammonium acetate, B: acetonitrile 流动相:A: 水+0.2%甲酸+10mM醋酸铵 B:乙腈 0 - 10 min 55 % A 10 – 25 min 33 % A 25 – 40 min 22 % A 40 – 55 min 0 % A Flow流速: 0.2 ml/min Injection volume进样量: 5 µl