D-cellobiose => beta-D-glucosyl-(1->4)-D-mannopyranose
d-cellobiose => beta-d-glucosyl-(1->4)-d-mannopyranose
D-cellobiose => beta-D-glucosyl-(1->4)-D-mannopyranose
d-cellobiose => beta-d-glucosyl-(1->4)-d-mannopyranose