(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(+)