preferred_name: O-3-hydroxybutanoyl-(R)-carnitine(out) => O-3-hydroxybutanoyl-(R)-carnitine(in)
preferred_name_lc: o-3-hydroxybutanoyl-(r)-carnitine(out) => o-3-hydroxybutanoyl-(r)-carnitine(in)
label: O-3-hydroxybutanoyl-(R)-carnitine(out) => O-3-hydroxybutanoyl-(R)-carnitine(in)
label_lc: o-3-hydroxybutanoyl-(r)-carnitine(out) => o-3-hydroxybutanoyl-(r)-carnitine(in)