N-acetylneuraminyl-(2->8)-N-acetylneuraminyl-(2->8)-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine
n-acetylneuraminyl-(2->8)-n-acetylneuraminyl-(2->8)-n-acetylneuraminyl-(2->3)-beta-d-galactosyl-(1->4)-beta-d-glucosyl-(1<->1')-n-acylsphingosine
A sialodiosylceramide consisting of the pentasaccharide α-Neu5NAc-(2→8)-α-Neu5NAc-(2→8)-α-Neu5NAc-(2→3)-β-<small>D</small>-Gal-(1→4)-β-<small>D</small>-Glc attached to the primary hydroxy function of ceramide.