2-hydroxyethane-1-sulfonate + AH2 => ethanol + sulfite + A + H(+)
2-hydroxyethane-1-sulfonate + ah2 => ethanol + sulfite + a + h(+)
2-hydroxyethane-1-sulfonate + AH2 => ethanol + sulfite + A + H(+)
2-hydroxyethane-1-sulfonate + ah2 => ethanol + sulfite + a + h(+)