label: a 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranose + an alcohol => a 6-O-(beta-D-xylopyranosyl)-beta-D-glucopyranoside + H2O
label_lc: a 6-o-(beta-d-xylopyranosyl)-beta-d-glucopyranose + an alcohol => a 6-o-(beta-d-xylopyranosyl)-beta-d-glucopyranoside + h2o