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