
Keywords: CE، انرژی برخورد; HQ, 2-hydrazinoquinoline; S1P, sphingosine-1-phosphate; LC/MS, liquid chromatography/mass spectrometry; C17-S1P, sphingosine-1-phosphate; MRM, multiple reaction monitoring; CE, collision energy; CV, cone votage; DNPH, 2,4-dinitrophenylhydrazine; DAIH, 2-d