alpha-NeuAc-(2->3)-beta-D-Gal-(1->3)-[alpha-NeuAc-(2->6)]-beta-D-GalNAc-(1->3)-alpha-D-Gal-(1->4)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-N-acylsphingosine
alpha-neuac-(2->3)-beta-d-gal-(1->3)-[alpha-neuac-(2->6)]-beta-d-galnac-(1->3)-alpha-d-gal-(1->4)-beta-d-gal-(1->4)-beta-d-glc-(1<->1')-n-acylsphingosine