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. 2004 Sep;48(9):3543–3551. doi: 10.1128/AAC.48.9.3543-3551.2004

TABLE 2.

Distribution of radioactivity in pooled human plasma extracts after a single oral dose of 399 mg of [14C]posaconazole to healthy human subjects

Peak Rt (min) m/z Δa % of profiled plasma radioactivity at:
5 h 12 h 24 h
M2 23.2 263 −438 BITb BIT 7.88
M5 29.0 1053 +352 BIT ND 8.97
M8 32.6 877 +176 21.1 27.6 17.5
M7 33.2 424 −277 NDc BIT BIT
M9 38.8 877 +176 BIT BIT BIT
M12 39.7 717 +16 BIT BIT BIT
M13 40.2 717 +16 BIT BIT BIT
M14 40.9 717 +16 BIT BIT BIT
M15 41.6 717 +16 BIT BIT BIT
Posaconazole 42.1 701 0 78.9 72.4 65.7
a

That is, the difference between the m/z value of the metabolite and that of posaconazole.

b

BIT, below the integration threshold of the 14C detector but detected by MS.

c

ND, not detected by 14C or the MS detector.