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 => 2 superoxide + ubiquinone-8 + 2 h(+)