D-glucuronate + H(+) => D-glucurono-3,6-lactone + H2O
d-glucuronate + h(+) => d-glucurono-3,6-lactone + h2o
D-glucuronate + H(+) => D-glucurono-3,6-lactone + H2O
d-glucuronate + h(+) => d-glucurono-3,6-lactone + h2o