preferred_name: a beta-D-glucosylceramide(in) <=> a beta-D-glucosylceramide(out)
preferred_name_lc: a beta-d-glucosylceramide(in) <=> a beta-d-glucosylceramide(out)
label: a beta-D-glucosylceramide(in) <=> a beta-D-glucosylceramide(out)
label_lc: a beta-d-glucosylceramide(in) <=> a beta-d-glucosylceramide(out)