Table 1

Mass spectral data (MS/MS in positive ion mode) for the glutathione (M5) and the peptide conjugate M6 of acetaminophen

Metabolite M5	457→	457→328→	457→328→311→	457→328→182→
(MH⁺457)	382,328^1-a,311,269,225,182	311^1-a,269,225,208,182,140	269,225,208,182^1-a,140	140
Metabolite M6	586→	586→511→	586→457→	586→457→328→
(MH⁺586)	568,511,457^1-a,382,328,311,269	493,448,382^1-a,365,337,328,310,241	493,382,328^1-a,311,269,225,182	311^1-a,269,225,208,182,140

The corresponding fragments are shown in Fig. 3.

→, the fragment ions originating from the particular ion.
↵1-a Base peak in the mass spectrum.