
																
																	High-throughput screening and quantitation of guanidino and ureido compounds using liquid chromatography-drift tube ion mobility spectrometry-mass spectrometry
																
																
																
															Keywords: Stable isotope labeling; Drift tube ion mobility spectrometry-mass spectrometry; Guanidino group; Ureido group; Quantification analysis; BRSIL; benzylic rearrangement stable isotope labeling; GCs and UCs; guanidino and ureido compounds; LC-DTIMS-QTOF MS;