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. Author manuscript; available in PMC: 2014 Aug 27.
Published in final edited form as: J Am Soc Mass Spectrom. 2012 Jul 24;23(9):1498–1511. doi: 10.1007/s13361-012-0429-4

Figure 4.

Figure 4

N-sulfate loss versus O-sulfate loss for HS model compounds. “N.C.” denotes not calculated because of the proton scrambling