preferred_name: alpha-N-acetylneuraminosyl-(2->3)-[N-acetyl-beta-D-galactosaminyl-(1->4)]-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-glucosaminyl-(1->3)-[N-acetyl-beta-D-galactosaminyl-(1->4)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide(t18:0)(1-)