label: 5-acetamido-2-(4-N-5-dimethylaminonaphthalene-1-sulfonyl-2-difluoromethylphenyl)-3,5-dideoxygalacto-2-nonulopyranosonic acid
label_lc: 5-acetamido-2-(4-n-5-dimethylaminonaphthalene-1-sulfonyl-2-difluoromethylphenyl)-3,5-dideoxygalacto-2-nonulopyranosonic acid