preferred_name: The keratan chain can be capped by N-acetylneuraminic acid (Mus musculus)
preferred_name_lc: the keratan chain can be capped by n-acetylneuraminic acid (mus musculus)
label: The keratan chain can be capped by N-acetylneuraminic acid (Mus musculus)
label_lc: the keratan chain can be capped by n-acetylneuraminic acid (mus musculus)