alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)-[alpha-N-acetylneuraminosyl-(2->3)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine(2-)
alpha-n-acetylneuraminosyl-(2->3)-beta-d-galactosyl-(1->3)-n-acetyl-beta-d-galactosaminyl-(1->4)-[alpha-n-acetylneuraminosyl-(2->3)]-beta-d-galactosyl-(1->4)-beta-d-glucosyl-(1<->1')-n-acylsphingosine(2-)
An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GD1a; major species at pH 7.3.