(R)-3-hydroxybutanoate(in) + H(+)(in) => (R)-3-hydroxybutanoate(out) + H(+)(out)
(r)-3-hydroxybutanoate(in) + h(+)(in) => (r)-3-hydroxybutanoate(out) + h(+)(out)
(R)-3-hydroxybutanoate(in) + H(+)(in) => (R)-3-hydroxybutanoate(out) + H(+)(out)
(r)-3-hydroxybutanoate(in) + h(+)(in) => (r)-3-hydroxybutanoate(out) + h(+)(out)