preferred_name: Fe(II)-heme a + 2 AH2 => Fe(II)-heme o + 2 A + H2O
preferred_name_lc: fe(ii)-heme a + 2 ah2 => fe(ii)-heme o + 2 a + h2o
label: Fe(II)-heme a + 2 AH2 => Fe(II)-heme o + 2 A + H2O
label_lc: fe(ii)-heme a + 2 ah2 => fe(ii)-heme o + 2 a + h2o