Column: ChromCore 120 C18, 5 μm
Dimension: 4.6×250 mm
Mobile Phase: 60/40 v/v 甲醇/水
Flow Rate: 1.0 mL/min
Temperature: 40 °C
Injection: 20 μL
Detection: UV 235 nm
Sample: 硝苯地平
Peaks: 1. 杂质I
(2, 6-二甲基-4- (2-硝基苯基)-3, 5-吡啶二甲酸二甲酯)
2. 杂质II
(2, 6-二甲基-4- (2-亚硝基苯基)-3, 5-吡啶二甲酸二甲酯)
3. 硝苯地平