5-Acetamido-7,8,9-tri-O-acetyl-5-N,4-O-carbonyl-2-S-phenyl-2-thio-β-neuraminic Acid Methyl Ester-1g 5-Acetamido-7,8,9-tri-O-acetyl-5-N,4-O-carbonyl-2-S-phenyl-2-thio-β-neuraminic Acid Methyl Ester Additional information Additional information Weight 0.001 kg Size 1 g