D-glucurono-3,6-lactone + NADPH + H(+) => L-gulono-1,4-lactone + NADP(+)
d-glucurono-3,6-lactone + nadph + h(+) => l-gulono-1,4-lactone + nadp(+)
D-glucurono-3,6-lactone + NADPH + H(+) => L-gulono-1,4-lactone + NADP(+)
d-glucurono-3,6-lactone + nadph + h(+) => l-gulono-1,4-lactone + nadp(+)