preferred_name: all-trans-zeta-carotene + A => all-trans-neurosporene + AH2
preferred_name_lc: all-trans-zeta-carotene + a => all-trans-neurosporene + ah2
label: all-trans-zeta-carotene + A => all-trans-neurosporene + AH2
label_lc: all-trans-zeta-carotene + a => all-trans-neurosporene + ah2