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Analysis of the permethylated glycan with HexNAc-(Fuc)Gal-GlcNAc epitope. The CID-MS2 spectrum of the precursor ion with m/z 1524.00 (2+) is shown. In the spectrum, the charge state of 2+ is labeled for m/z containing the glycans denoted with split arrows, and 1+ is labeled for m/z containing glycan only.
