preferred_name: ornithine => putrescine + CO2 (Drosophila melanogaster)
preferred_name_lc: ornithine => putrescine + co2 (drosophila melanogaster)
label: ornithine => putrescine + CO2 (Drosophila melanogaster)
label_lc: ornithine => putrescine + co2 (drosophila melanogaster)