label: methyl ((5-acetamido--3,5-dideoxygalactonon-2-ulopyranosylonic acid)-(2-3)-6-O-sulfogalactopyranosyl)-(1-4)-2-acetamido-2-deoxyglucopyranoside
label_lc: methyl ((5-acetamido--3,5-dideoxygalactonon-2-ulopyranosylonic acid)-(2-3)-6-o-sulfogalactopyranosyl)-(1-4)-2-acetamido-2-deoxyglucopyranoside