(1R,2S)-ephedrine + NAD(+) => (S)-2-methylamino-1-phenylpropan-1-one + NADH + H(+)
(1r,2s)-ephedrine + nad(+) => (s)-2-methylamino-1-phenylpropan-1-one + nadh + h(+)
(1R,2S)-ephedrine + NAD(+) => (S)-2-methylamino-1-phenylpropan-1-one + NADH + H(+)
(1r,2s)-ephedrine + nad(+) => (s)-2-methylamino-1-phenylpropan-1-one + nadh + h(+)