label: 8-carboxy-8-demethylriboflavin 5'-phosphate + AH2 + H(+) => 8-demethyl-8-formylriboflavin 5'-phosphate + A + H2O
label_lc: 8-carboxy-8-demethylriboflavin 5'-phosphate + ah2 + h(+) => 8-demethyl-8-formylriboflavin 5'-phosphate + a + h2o