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The ESI-MS spectrum in the negative mode of each single Scapharca inaequivalvis DS oligosaccharide species separated by means of RPIP-HPLC from 1- to 10-mer. ΔUA, 4-deoxy-α-L-threo-hex-4-enopyranosyluronic acid; GalNAc, N-acetylgalactosamine; and S, sulfo. Modified from reference 46.
