preferred_name: 4-hydroxy-all-trans-beta-carotene + AH2 + O2 = 4,4-dihydroxy-all-trans-beta-carotene + A + H2O
preferred_name_lc: 4-hydroxy-all-trans-beta-carotene + ah2 + o2 = 4,4-dihydroxy-all-trans-beta-carotene + a + h2o
label: 4-hydroxy-all-trans-beta-carotene + AH2 + O2 = 4,4-dihydroxy-all-trans-beta-carotene + A + H2O
label_lc: 4-hydroxy-all-trans-beta-carotene + ah2 + o2 = 4,4-dihydroxy-all-trans-beta-carotene + a + h2o