30100-61-9 5-Acetamido-3,5-dideoxy-D-galactosyloctulosonic acid 5-Acetamido-3,5-dideoxygalactosyloctulosonic acid 5-Adgoa D-galacto-2-Octulosonic acid, 5-(acetylamino)-3,5-dideoxy- Sialic acid C8 analog