preferred_name: alpha-N-glycoloylneuraminosyl-(2->8)-alpha-N-glycoloylneuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide(d18:0)(2-)