| 样品 | 1D保留时间 | 2D保留时间 | 第二维准分子离子峰 | 二级母离子 | LC-HRMS-MS |
| 原料药 | 12.78 | 23.43 | 454.04874 | 454.0490 | 329.00177, 285.02863, 210.02055, 182.02588, 126.01222 |
| 23.92 | 925.10155 | 925.0990 | 881.11102, 126.01206 | ||
| 对照品(头孢克肟imp杂质) | 12.73 | 23.45 | 454.04883 | 454.0485 | 329.00055, 285.02844, 210.02109, 126.01226 |
| 头孢克肟imp杂质 + 原料药 | 12.72 | 23.43 | 454.04787 | 454.0482 | 329.00076, 285.02820, 210.02074, 182.02623, 126.01208 |