preferred_name: 2 a plastoquinone + 4 hnu + 2 H2O => 2 a plastoquinol + O2
preferred_name_lc: 2 a plastoquinone + 4 hnu + 2 h2o => 2 a plastoquinol + o2
label: 2 a plastoquinone + 4 hnu + 2 H2O => 2 a plastoquinol + O2
label_lc: 2 a plastoquinone + 4 hnu + 2 h2o => 2 a plastoquinol + o2