menadiol + 2 O2 <=> menadione + 2 superoxide + 2 H(+)
menadiol + 2 o2 <=> menadione + 2 superoxide + 2 h(+)
menadiol + 2 O2 <=> menadione + 2 superoxide + 2 H(+)
menadiol + 2 o2 <=> menadione + 2 superoxide + 2 h(+)