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. 2020 Apr 11;25(8):1763. doi: 10.3390/molecules25081763

Table 5.

MRM transitions and collision energies for target analytes and internal standards.

Analyte tRa (min) Precursor Ion (m/z) Product Ions (m/z)
Quantitative Ion (CE b) Qualitative Ions (CE)
3-HCOT 2.6 193.1 80.0 (30) 134.1 (20) 106.0 (29)
3-HCOT-d3 (IS) 2.6 196.1 79.9 (32) 134.0 (19) 106.0 (31)
COT 3.3 177.1 80.0 (29) 98.0 (21) 70.1 (34)
COT-d3 (IS) 3.3 180.1 80.0 (28) 101.0 (23) 73.1 (39)

a Retention time (tR). b Collision energy (CE).