ubiquinol-8 + NADP(+) => ubiquinone-8 + NADPH + H(+)
ubiquinol-8 + nadp(+) => ubiquinone-8 + nadph + h(+)
ubiquinol-8 + NADP(+) => ubiquinone-8 + NADPH + H(+)
ubiquinol-8 + nadp(+) => ubiquinone-8 + nadph + h(+)