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 => a ganglioside ac-o-8-gd3