phenyl 5-N-acetyl-alpha-D-neuraminyl-(2-3)-beta-D-galactopyranosyl-(1-4)-1-thio-beta-D-glucopyranoside
phenyl 5-n-acetyl-alpha-d-neuraminyl-(2-3)-beta-d-galactopyranosyl-(1-4)-1-thio-beta-d-glucopyranoside