label: 3-O-(alpha-L-arabinopyranosyl(1-2)-alpha-L-arabinopyranosyl(1-6))-2-acetamido-2-deoxy-beta-D-glucopyranosyl acacic acid lactone
label_lc: 3-o-(alpha-l-arabinopyranosyl(1-2)-alpha-l-arabinopyranosyl(1-6))-2-acetamido-2-deoxy-beta-d-glucopyranosyl acacic acid lactone