(R)-3-hydroxybutanoate + NAD(+) = acetoacetate + NADH + H(+)
(r)-3-hydroxybutanoate + nad(+) = acetoacetate + nadh + h(+)
(R)-3-hydroxybutanoate + NAD(+) = acetoacetate + NADH + H(+)
(r)-3-hydroxybutanoate + nad(+) = acetoacetate + nadh + h(+)