TABLE 2.

Mass spectra of the metabolites from DTAC

Metabolite		No. of fragments of the trimethylsilylated product (m/z assignment, percent relative intensity)
No.	Name
I	n-Dodecanal	166 (M+-H2O, 4.1), 156 (M+-(CH2)×2, 5.4), 140 (M+-(CH2 = CH-OH), 13.2)
II	n-Dodecyldimethylamine	213 (M+, 54.4), 198 (M+-CH3, 2.7), 128 (M+-)(CH3-(CH2)5, 4.1), 114 (M+-(CH3-(CH2)6, 3.5)
III	Lauric acid	201 (M+, 5.4), 73 (M+-CH3-(CH2)5, 40.9), 45 (M+-(CH3-(CH2)11, 54.5)
IV	Formaldehydea	210 (M+, 100), 182 (M+-N = CH2, 50)
V	Trimethylamine	58 (M+-H, 19.1), 43 (M+-H-CH3, 47.7)
VI	Dimethylamineb	185 (M+, 100), 141 (M+-N(CH3)2, 61.0), 125 (M+-N(CH3)2-O, 72.3)

^aFragments of pentafluorophenylhydrazone derivative.

^bFragments of benzenesulfonylated derivative.