a ganglioside Ac-O-7-GD2 => a ganglioside Ac-O-8-GD2
a ganglioside ac-o-7-gd2 => a ganglioside ac-o-8-gd2
a ganglioside Ac-O-7-GD2 => a ganglioside Ac-O-8-GD2
a ganglioside ac-o-7-gd2 => a ganglioside ac-o-8-gd2