preferred_name: 2-oxobutanoate + NADH + H(+) => (2S)-hydroxybutanoate + NAD(+)
preferred_name_lc: 2-oxobutanoate + nadh + h(+) => (2s)-hydroxybutanoate + nad(+)
label: 2-oxobutanoate + NADH + H(+) => (2S)-hydroxybutanoate + NAD(+)
label_lc: 2-oxobutanoate + nadh + h(+) => (2s)-hydroxybutanoate + nad(+)