preferred_name: O-2-methylbutanoyl-(R)-carnitine(in) => O-2-methylbutanoyl-(R)-carnitine(out)
preferred_name_lc: o-2-methylbutanoyl-(r)-carnitine(in) => o-2-methylbutanoyl-(r)-carnitine(out)
label: O-2-methylbutanoyl-(R)-carnitine(in) => O-2-methylbutanoyl-(R)-carnitine(out)
label_lc: o-2-methylbutanoyl-(r)-carnitine(in) => o-2-methylbutanoyl-(r)-carnitine(out)