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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2008 Sep 5;20(2):198–212. doi: 10.1016/j.jasms.2008.08.017

Figure 7.

Figure 7

Identification of overlapping ornithine (OL 3-OH 20:1/19:1) and glutamine (QL 3–OH 20:1/18:1) lipids at m/z 717 by negative ion ESI CID-MS/MS and −MSn. (A) MS/MS of m/z 717 from Figure 1D, (B) MS3 of m/z 435 from panel A, (C) MS4 of m/z 145 from panel B, and (D) MS5 of m/z 127 from panel C.