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