a 7-oxosteroid + NADPH + H(+) => a 7beta-hydroxysteroid + NADP(+)
a 7-oxosteroid + nadph + h(+) => a 7beta-hydroxysteroid + nadp(+)
a 7-oxosteroid + NADPH + H(+) => a 7beta-hydroxysteroid + NADP(+)
a 7-oxosteroid + nadph + h(+) => a 7beta-hydroxysteroid + nadp(+)