D-ribulose 5-phosphate + NADPH + H(+) => D-ribitol 5-phosphate + NADP(+)
d-ribulose 5-phosphate + nadph + h(+) => d-ribitol 5-phosphate + nadp(+)
D-ribulose 5-phosphate + NADPH + H(+) => D-ribitol 5-phosphate + NADP(+)
d-ribulose 5-phosphate + nadph + h(+) => d-ribitol 5-phosphate + nadp(+)