TABLE 4.

Mass spectrometric identification of ACT-1004-1239 and its metabolites in human feces.

Compound	Retention time (min)	Accurate mass [M + H]+	Calculated/exact mass [M + H]+	Diagnostic fragment ions (MSn)	Identity
ACT-1004-1239	107.6	523.2265	523.2264	388, 334, 216, 141, 136	-
M1	55.7	469.1795	469.1794	334, 216, 141, 136	- C4H6 (oxidative N-dealkylation)
A1	12.0	467.1851	467.1838	332, 216, 139, 136	M1 - F + OH (oxidative defluorination)
A2	33.0	471.1949	471.1951	336, 216, 210, 141,136	M1 + H2 (reduction)
A3	85.6	525.2425	525.2420	390, 216, 210, 141, 136	+ H2 (reduction)

Data are displayed in positive ionization mode.

For all compounds, the presented data refer to non-radiolabeled material (e.g., ACT-1004-1239).