a ganglioside Ac-O-8-GD1a = a ganglioside Ac-O-9-GD1a
a ganglioside ac-o-8-gd1a = a ganglioside ac-o-9-gd1a
a ganglioside Ac-O-8-GD1a = a ganglioside Ac-O-9-GD1a
a ganglioside ac-o-8-gd1a = a ganglioside ac-o-9-gd1a