label: O-(2-acetamido-2-deoxy-6-O-stearoylglucopyranosyl)-1-4-N-acetylnormuramoyl-alpha-aminobutanoyl-isoglutamine
label_lc: o-(2-acetamido-2-deoxy-6-o-stearoylglucopyranosyl)-1-4-n-acetylnormuramoyl-alpha-aminobutanoyl-isoglutamine