Abstract
A previous study [Ch. Lifshitz, P.J.A. Ruttink, G. Schaftenaar, J.K. Terlouw, Rapid Commun. Mass Spectrom. 1 (1987) 61] shows that metastable N-hydroxyacetamide ions CH3C(=O)NHOH+ (HA-1) do not dissociate into CH3C=O++NHOH by direct bond cleavage but rather yield CH3C=O++NH2O. The tandem mass spectrometry based experiments of the present study on the
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