preferred_name: a ganglioside Ac-O-8-GT3 => a ganglioside Ac-O-7-GT3
preferred_name_lc: a ganglioside ac-o-8-gt3 => a ganglioside ac-o-7-gt3
label: a ganglioside Ac-O-8-GT3 => a ganglioside Ac-O-7-GT3
label_lc: a ganglioside ac-o-8-gt3 => a ganglioside ac-o-7-gt3