5-エチル酰アミノ-4，7，8，9-四-O-アセチル-2-S-(4-メチルフェニル)-2-硫黄代神经氨酸メチルエステル
Methyl (P-tolyl 5-acetamido-4，7，8，9-tetra-O-acetyl-3，5-dideoxy-2-thio-D-glycero-D-galacto-2-nonulopyranosyl)onate
Methyl (P-tolyl 5-acetamido-4，7，8，9-tetra-O-acetyl-3，5-dideoxy-2-thio-D-glycero-D-galacto-2-nonulopyranosyl)onate ≥98%