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. Author manuscript; available in PMC: 2009 Jun 23.
Published in final edited form as: J Am Soc Mass Spectrom. 2007 Jul 26;18(10):1783–1788. doi: 10.1016/j.jasms.2007.07.013

Figure 3.

Figure 3

(a) CID MS3 of m/z 833 generated from ETD of doubly sodiated (18:0/20:4)-GPCs. (b) CID MS2 of m/z 833 generated from nano-ESI of (18:0/20:4)-GPCs solution.