formaldehyde + NAD(+) + H2O <=> formate + NADH + 2 H(+)
formaldehyde + nad(+) + h2o <=> formate + nadh + 2 h(+)
formaldehyde + NAD(+) + H2O <=> formate + NADH + 2 H(+)
formaldehyde + nad(+) + h2o <=> formate + nadh + 2 h(+)