benzene-1,2,4-triol + O2 <=> maleylacetate + 2 H(+)
benzene-1,2,4-triol + o2 <=> maleylacetate + 2 h(+)
benzene-1,2,4-triol + O2 <=> maleylacetate + 2 H(+)
benzene-1,2,4-triol + o2 <=> maleylacetate + 2 h(+)