![Four-sector tandem mass spectrometry: A comparison of the molecular and quasi-molecular ions of the cyclic depsipeptide valinomycin formed using electron impact, chemical ionization, fast atom bombardment, field desorption and electrospray lonizatfion]()
Four-sector tandem mass spectrometry: A comparison of the molecular and quasi-molecular ions of the cyclic depsipeptide valinomycin formed using electron impact, chemical ionization, fast atom bombardment, field desorption and electrospray lonizatfionJonathan M. Curtis; Caroline D. Bradley; Peter J. Derrick; Margaret M. Sheil · 1992