
Synthesis of (2β,3α,6-2H3)cholesteryl linoleate and cholesteryl oleate as internal standards for mass spectrometry
Keywords: 1H NMR، رزونانس مغناطیسی هسته پروتون; mp, melting points; 1H NMR, proton nuclear magnetic resonance; DEPT, distortionless enhancement by polarization transfer; EI, Electron ionization, LR-MS, low-resolution mass spectra; HR-MS, high-resolution mass spectra; EI, electrospray ionization; DMAP,