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