preferred_name: echinenone + 2 A + 3 H2O => all-trans-beta-carotene + 2 AH2 + 2 O2
preferred_name_lc: echinenone + 2 a + 3 h2o => all-trans-beta-carotene + 2 ah2 + 2 o2
label: echinenone + 2 A + 3 H2O => all-trans-beta-carotene + 2 AH2 + 2 O2
label_lc: echinenone + 2 a + 3 h2o => all-trans-beta-carotene + 2 ah2 + 2 o2