15alpha-stemmadenine + NADP(+) => 17-dehydrostemmadenine + NADPH + 2 H(+)
15alpha-stemmadenine + nadp(+) => 17-dehydrostemmadenine + nadph + 2 h(+)
15alpha-stemmadenine + NADP(+) => 17-dehydrostemmadenine + NADPH + 2 H(+)
15alpha-stemmadenine + nadp(+) => 17-dehydrostemmadenine + nadph + 2 h(+)