Shop › 4-Nitrophenyl 2-acetamido-2-deoxy-β-D-glucopyranoside-6-sulfate potassium salt - 50mg 4-Nitrophenyl 2-acetamido-2-deoxy-β-D-glucopyranoside-6-sulfate potassium salt - 50mg $0.00 Sold Out Sold Out Added!