D-mannitol 1-phosphate + NADP(+) = D-mannose 6-phosphate + NADPH + H(+)
d-mannitol 1-phosphate + nadp(+) = d-mannose 6-phosphate + nadph + h(+)
"NADPH-mannose-6-P reductase"
"nadph-mannose-6-p reductase"