2 superoxide + ubiquinone-8 + 2 H(+) => ubiquinol-8 + 2 O2
2 superoxide + ubiquinone-8 + 2 h(+) => ubiquinol-8 + 2 o2
2 superoxide + ubiquinone-8 + 2 H(+) => ubiquinol-8 + 2 O2
2 superoxide + ubiquinone-8 + 2 h(+) => ubiquinol-8 + 2 o2