preferred_name: 1-aminocyclopropane-1-carboxylate <=> 2-aminobut-2-enoate
preferred_name_lc: 1-aminocyclopropane-1-carboxylate <=> 2-aminobut-2-enoate
label: 1-aminocyclopropane-1-carboxylate <=> 2-aminobut-2-enoate
label_lc: 1-aminocyclopropane-1-carboxylate <=> 2-aminobut-2-enoate