label: (2R,3S,4S)-leucocyanidin + 2-oxoglutarate + O2 => (4S)-2,3-dehydroleucocyanidin + succinate + CO2 + H2O + H(+)
label_lc: (2r,3s,4s)-leucocyanidin + 2-oxoglutarate + o2 => (4s)-2,3-dehydroleucocyanidin + succinate + co2 + h2o + h(+)