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. 2008 Feb 17;117(2):351–361. doi: 10.1016/j.jep.2008.02.012

Table 2.

The retention times (tR) and ESI-MS data in the positive ion mode (m/z) of compounds 1–15

Compound tR (min)a [M+H]+ (m/z)b
1 10.844 354.9
2 14.003 610.8
3 14.687 464.8
4 15.352 137.0
5 15.919 193.0
6 16.212 448.9
7 16.859 171.1
8 18.798 592.9
9 19.366 206.9
10 20.596 286.9
11 20.852 302.9
12 23.016 270.9
13 28.833 284.9
14 29.124 279.9
15 33.369 298.9
a

Retention times in MS spectrum.

b

Protonated molecular ions.