D-cellotetraono-1,5-lactone + H2O <=> D-cellotetraonate + H(+)
d-cellotetraono-1,5-lactone + h2o <=> d-cellotetraonate + h(+)
D-cellotetraono-1,5-lactone + H2O <=> D-cellotetraonate + H(+)
d-cellotetraono-1,5-lactone + h2o <=> d-cellotetraonate + h(+)