Shop › 4-Nitrophenyl 2-acetamido-2-deoxy-3-O-(-β-D-galactopyranosyl)-β-D-glucopyranoside - 2mg 4-Nitrophenyl 2-acetamido-2-deoxy-3-O-(-β-D-galactopyranosyl)-β-D-glucopyranoside - 2mg $0.00 Sold Out Sold Out Added!