116897-96-2 3,9-Dioxabicyclo[3.3.1]nonane, D-glycero-b-D-galacto-2-nonulopyranosidonic acid deriv. AIDS-000260 AIDS000260 Sialic acid 1,7-lactone derivative Sialic acid lactone b-Neuraminic acid, N-acetyl-2-O-methyl-, 1,7-lactone, 4,8,9-triacetate