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Table 2 MRM transitions of vitamin D analogues and internal standard

From: Method for simultaneous analysis of eight analogues of vitamin D using liquid chromatography tandem mass spectrometry

Compounds Precursor Product CE
Vitamin D3 385.3 159.2 40
Vitamin D2 397.4 159.2 43
25OHD3 401.3 383.1 41
401.3 365.1 41
401.3 159.2 45
25OHD2 413.3 377.2 51
413.3 355.5 51
413.3 383.1 35
1α25(OH)2 D3 399.1 135.1 61
399.1 381.1 41
1α25(OH)2 D2 411.5 151.1 55
3-epi-25OHD3 401.3 383.1 41
401.3 365.1 41
401.3 159.2 45
3-epi-25OHD2 413.3 377.2 51
413.3 355.5 51
413.3 383.1 35
7αC4 401.3 383.1 41
401.3 365.1 41
401.3 159.2 45
Stanozolol-D3 332.2 81.2 45