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Multiplicity‐edited 1H–13C HSQC (CH2 in red and CH/CH3 in blue) of AcCNF film, derived from birch pulp, in 1:4 [P4444][OAc]/[D6]DMSO with corresponding assignments for acetylated cellulose (Glcp=glucopyranose) and xylan (Xylp=xylopyranose).
