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