6-Sialyllactosamine 64364-50-7 N-Acetylneuraminosyl(alpha2-6)lactosamine Neuac-lact Neuacalpha2,6GalNAcbeta1,4GlcNAc Neuacalpha2-6Galbeta1-4GlcNAcbeta beta-D-Glucopyranose, O-(N-acetyl-alpha-neuraminosyl)-(2-6)-O-beta-D-galactopyranosyl-(1-4)-2-(acetylamino)-2-deoxy-