preferred_name: L-dopachrome <=> 5,6-dihydroxyindole-2-carboxylate
preferred_name_lc: l-dopachrome <=> 5,6-dihydroxyindole-2-carboxylate
label: L-dopachrome <=> 5,6-dihydroxyindole-2-carboxylate
label_lc: l-dopachrome <=> 5,6-dihydroxyindole-2-carboxylate