(3R,4R)-7,2'-dihydroxy-4'-methoxyisoflavanol + NADP(+) = (3R)-vestitone + NADPH + H(+)
(3r,4r)-7,2'-dihydroxy-4'-methoxyisoflavanol + nadp(+) = (3r)-vestitone + nadph + h(+)
(3R,4R)-7,2'-dihydroxy-4'-methoxyisoflavanol + NADP(+) = (3R)-vestitone + NADPH + H(+)
(3r,4r)-7,2'-dihydroxy-4'-methoxyisoflavanol + nadp(+) = (3r)-vestitone + nadph + h(+)