. 2015 Sep 3;407(26):8019–8033. doi: 10.1007/s00216-015-8975-9

Table 3.

Characteristic LC-HRMS/MS fragment ions of HT-2 toxin and T-2 toxin, as well as the glucose and malonylglucose moieties used for structure annotation

m/z ^a	Ion	Sum formula^b
HT2 fragments
323.1489	[HT2 – isoval acid + H]⁺	C₁₇H₂₂O₆
263.1278	[HT2 – isoval acid – acetic acid + H]⁺	C₁₅H₁₈O₄
245.1172	[HT2 – isoval acid – acetic acid – H₂O + H]⁺	C₁₅H₁₆O₃
233.1172	[C₁₄H₁₆O₃ + H]⁺	C₁₄H₁₆O₃
215.1067	[HT2 – isoval acid – acetic acid – H₂O – CH₂O + H]⁺	C₁₄H₁₄O₂
185.0961	[C₁₃H₁₂O + H]⁺	C₁₃H₁₂O
T2 fragments
365.1595	[T2 – isoval acid + H]⁺	C₁₉H₂₄O₇
305.1383	[T2 – isoval acid – acetic acid + H]⁺	C₁₇H₂₀O₅
245.1172	[T2 – isoval acid – 2 acetic acid + H]⁺	C₁₅H₁₆O₃
215.1067	[T2 – isoval acid – 2 acetic acid – CH₂O + H]⁺	C₁₄H₁₄O₂
185.0961	[C₁₃H₁₂O + H]⁺	C₁₃H₁₂O
Glucose moiety fragments
145.0495	[Glucose – 2 H₂O + H]⁺	C₆H₈O₄
127.0390	[Glucose – 3 H₂O + H]⁺	C₆H₆O₃
161.0455	[Glucose – H₂O – H]⁻	C₆H₁₀O₅
Malonylglucose moiety fragments
249.0605	[Malonylglucose – H₂O + H]⁺	C₉H₁₂O₈
231.0499	[Malonylglucose – 2 H₂O + H]⁺	C₉H₁₀O₇
145.0495	[Glucose – 2 H₂O + H]⁺	C₆H₈O₄
127.0390	[Glucose – 3 H₂O + H]⁺	C₆H₆O₃
105.0182	[Malonic acid + H]⁺	C₃H₄O₄
161.0455	[Glucose – H₂O – H]⁻	C₆H₁₀O₅

HT2 HT-2 toxin, T2 T-2 toxin, isoval acid isovaleric acid

^aExact mass

^bSum formula of neutral compound