an O-acyl-(R)-carnitine(in) <=> an O-acyl-(R)-carnitine(out)
an o-acyl-(r)-carnitine(in) <=> an o-acyl-(r)-carnitine(out)
an O-acyl-(R)-carnitine(in) <=> an O-acyl-(R)-carnitine(out)
an o-acyl-(r)-carnitine(in) <=> an o-acyl-(r)-carnitine(out)