preferred_name: 2-oxobutanoate + pyruvate + H(+) => (S)-2-ethyl-2-hydroxy-3-oxobutanoate + CO2
preferred_name_lc: 2-oxobutanoate + pyruvate + h(+) => (s)-2-ethyl-2-hydroxy-3-oxobutanoate + co2
label: 2-oxobutanoate + pyruvate + H(+) => (S)-2-ethyl-2-hydroxy-3-oxobutanoate + CO2
label_lc: 2-oxobutanoate + pyruvate + h(+) => (s)-2-ethyl-2-hydroxy-3-oxobutanoate + co2