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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: J Am Soc Mass Spectrom. 2018 Jun 12;29(8):1745–1756. doi: 10.1007/s13361-018-1999-6

Figure 2.

Figure 2

Figure 2

Figure 2

Extracted ion chromatograms for m/z 258.1090 acquired for (a) m4C standard, (b) a 1:1 mixture of m4C and m5C, and (c) m5C standard. Similar chromatographic behavior is observed if LC methods 1 or 3 are used. CID MS/MS of (d) m4C standard, (e) 1:1 m4C/m5C mixture, and (f) m5C standard. HCD-based fingerprint of (g) m4C standard, (h) 1:1 m4C/m5C mixture, and (i) m5C standard.