preferred_name: N-acetylneuraminate(out) => N-acetylneuraminate(in)
preferred_name_lc: n-acetylneuraminate(out) => n-acetylneuraminate(in)
label: N-acetylneuraminate(out) => N-acetylneuraminate(in)
label_lc: n-acetylneuraminate(out) => n-acetylneuraminate(in)