2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoate + CO => quercetin + O2
2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoate + co => quercetin + o2
2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoate + CO => quercetin + O2
2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoate + co => quercetin + o2