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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: J Chromatogr B Analyt Technol Biomed Life Sci. 2010 Apr 3;878(19):1493–1498. doi: 10.1016/j.jchromb.2010.03.047

Figure 1.

Figure 1

MS/MS spectra of both adenosine and the internal standard (IS: 2-chloroadenosine). m/z 268→136 and m/z 302→170 were used to monitor respectively adenosine and the IS.