4'-hydroxyechinenone + A + H2O => echinenone + AH2 + O2
4'-hydroxyechinenone + a + h2o => echinenone + ah2 + o2
4'-hydroxyechinenone + A + H2O => echinenone + AH2 + O2
4'-hydroxyechinenone + a + h2o => echinenone + ah2 + o2