4-Nitrophenyl-2-O-(alpha-L-fucopyranosyl)-beta-D-galactopyranoside 66347-27-1 Npafpbg Para-nitrophenyl-2-O-(alpha-L-fucopyranosyl)-beta-D-galactopyranoside beta-D-Galactopyranoside, 4-nitrophenyl 2-O-(6-deoxy-alpha-L-galactopyranosyl)-