Commonly occurring product ions for DG(18:4(6Z,9Z,12Z,15Z)/18:4(6Z,9Z,12Z,15Z)/0:0)

m/z	Ion Description
609.4513	Precursor ion [M+H]+
608.4441	Precursor ion [M+NH4]+
591.4408	Precursor ion [M+H]+ with loss of H2O
333.2424	Neutral loss of sn2 RCOOH + NH3 from [M+NH4]+
333.2424	Neutral loss of sn1 RCOOH + NH3 from [M+NH4]+
315.2318	sn2 acyl chain ([RC=O +74]+ with loss of H2O)
315.2318	sn1 acyl chain ([RC=O +74]+ with loss of H2O)
259.2056	sn2 acyl chain ([RC=O]+)
259.2056	sn1 acyl chain ([RC=O]+)
241.1951	sn2 acyl chain ([RC=O]+ with loss of H2O)
241.1951	sn1 acyl chain ([RC=O]+ with loss of H2O)