2-dehydro-L-idonate + NADPH + H(+) => L-idonate + NADP(+)
2-dehydro-l-idonate + nadph + h(+) => l-idonate + nadp(+)
2-dehydro-L-idonate + NADPH + H(+) => L-idonate + NADP(+)
2-dehydro-l-idonate + nadph + h(+) => l-idonate + nadp(+)