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Representative combined EICs of the three major CS disaccharide compositions from (a) intact and (b) gaping tissues. Peak 1, disulfated CS dp2 [1,0,1,2,1]; peak 2, monosulfated CS dp2 [1,0,1,1,1]; peak 2′, in source loss of SO3 from monosulfated CS; peak 3, nonsulfated CS dp2 [1,0,1,0,1].
