4-hydroxyestrone + O2 => (2Z,10Z)-3-hydroxy-5,17-dioxo-4,5-secoestra-2,10-diene-3-oate + H(+)
4-hydroxyestrone + o2 => (2z,10z)-3-hydroxy-5,17-dioxo-4,5-secoestra-2,10-diene-3-oate + h(+)
4-hydroxyestrone + O2 => (2Z,10Z)-3-hydroxy-5,17-dioxo-4,5-secoestra-2,10-diene-3-oate + H(+)
4-hydroxyestrone + o2 => (2z,10z)-3-hydroxy-5,17-dioxo-4,5-secoestra-2,10-diene-3-oate + h(+)