(R)-2-hydroxyoctadecanoate + NAD(+) = 2-oxooctadecanoate + NADH + H(+)
(r)-2-hydroxyoctadecanoate + nad(+) = 2-oxooctadecanoate + nadh + h(+)
"D-2-hydroxy fatty acid dehydrogenase"
"d-2-hydroxy fatty acid dehydrogenase"