Synonyms: methyl 4,7,8,9-tetra-o-acetyl-5-(acetylamino)-3,5-dideoxy-d-glycero-|A-d-galacto-non-2-ulopyranosidonic acid;AC1L4RXW;AC1Q6091;AR-1J5326;2-O-Methyl-4,7,8,9-tetra-O-acetyl-N-acetyl-alpha-D-neuraminic acid;(2R,4S,5R,6R)-5-acetamido-4-acetyloxy-2-methoxy-6-[(1S,2R)-1,2,3-triacetyloxypropyl]oxane-2-carboxylic acid;D-glycero-alpha-D-galacto-2-Nonulopyranosidonic acid, methyl 5-(acetylamino)-3,5-dideoxy-, 4,7,8,9-tetraacetate