101839-45-6 AIDS-002544 AIDS002544 Ceramide, 1-O-[O-(N-acetyl-.alpha.-neuraminosyl)-(2-6)-O-[.beta.-D-galactopyranosyl-(1-3)]-O-2-(acetylamino)-2-deoxy-.beta.-D-galactopyranosyl-(1-4)-O-.beta.-D-galactopyranosyl-(1-4)-.beta.-D-glucopyranosyl]- Ganglioside GM1a Ganglioside GMla Polysaccharide