pyruvate + NADH + 2 H(+) => methylglyoxal + NAD(+) + H2O
pyruvate + nadh + 2 h(+) => methylglyoxal + nad(+) + h2o
pyruvate + NADH + 2 H(+) => methylglyoxal + NAD(+) + H2O
pyruvate + nadh + 2 h(+) => methylglyoxal + nad(+) + h2o