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. Author manuscript; available in PMC: 2007 Nov 19.
Published in final edited form as: J Am Soc Mass Spectrom. 2006 Jun 5;17(8):1146–1157. doi: 10.1016/j.jasms.2006.04.024

Scheme 2.

Scheme 2

The fragmentation pathways proposed for the [M − 2H + 3Na − R(or 2)CO2H]+ ions, arising from primary loss of the R1(or 1′)CO2H substituent from the [M − 2H + 3Na]+ ions of CL.