2 2',3,4-trihydroxy-trans-chalcone + O2 + 2 H(+) <=> 2 3',4'-dihydroxyaurone + 2 H2O
2 2',3,4-trihydroxy-trans-chalcone + o2 + 2 h(+) <=> 2 3',4'-dihydroxyaurone + 2 h2o
2 2',3,4-trihydroxy-trans-chalcone + O2 + 2 H(+) <=> 2 3',4'-dihydroxyaurone + 2 H2O
2 2',3,4-trihydroxy-trans-chalcone + o2 + 2 h(+) <=> 2 3',4'-dihydroxyaurone + 2 h2o