N-Acetyl-4,7,8,9-tetra-O-acetyl-2-chloro-2-deoxy-β-neuraminic Acid Methyl Ester-500mg N-Acetyl-4,7,8,9-tetra-O-acetyl-2-chloro-2-deoxy-β-neuraminic Acid Methyl Ester Additional information Additional information Weight 0.0005 kg Size 500 mg