glutarate(out) + (R)-carnitine(in) => glutarate(in) + (R)-carnitine(out)
glutarate(out) + (r)-carnitine(in) => glutarate(in) + (r)-carnitine(out)
glutarate(out) + (R)-carnitine(in) => glutarate(in) + (R)-carnitine(out)
glutarate(out) + (r)-carnitine(in) => glutarate(in) + (r)-carnitine(out)