Identification and characterization of chemical constituents in Qi-Lin pills and their metabolites in rat bio-samples after oral administration using ultra-high performance liquid chromatography with quadrupole time-of-flight mass spectrometry

Xiyang Tang, Jiaxing Zeng, Zi-qin Dai, Minghao Chen, Meng‐nan Ye, Zhihong Yao, Yi Dai, Xin‐Sheng Yao