Field desorption mass spectrometry of the B vitamins: pyridoxal, pyridoxamine, their phosphates, and thiamine.
D002712:Chlorides / Q000032:analysis; D003201:Computers; D013058:Mass Spectrometry / Q000379:methods; D009566:Nitrates / Q000032:analysis; D010710:Phosphates / Q000032:analysis; D011730:Pyridoxal / Q000032:analysis*; D011732:Pyridoxal Phosphate / Q000032:analysis*; D011733:Pyridoxamine / Q000032:analysis*; D013831:Thiamine / Q000032:analysis*
D002712:Chlorides; D009566:Nitrates; D010710:Phosphates; D011730:Pyridoxal; D011732:Pyridoxal Phosphate; D011733:Pyridoxamine; D013831:Thiamine