a ganglioside Ac-O-8-GD3 = a ganglioside Ac-O-9-GD3
a ganglioside ac-o-8-gd3 = a ganglioside ac-o-9-gd3
a ganglioside Ac-O-8-GD3 = a ganglioside Ac-O-9-GD3
a ganglioside ac-o-8-gd3 = a ganglioside ac-o-9-gd3