N-Acetyl-D-galactosaminyl-N-Acetyl-D-galactosaminyl-1,3-D-galactosyl-1,4-D-galactosyl-1,4-D-glucosylceramide;
Forssman hapten;
GalNAc-alpha1->3GalNAc-beta1->3Gal-alpha1->4Gal-beta1->4Glc-beta1->1'Cer;
GalNAc-alpha1->3GalNAc-beta1->3Gal-alpha1->4LacCer