SMILES: C1[C@@H](N=C(S1)C2=NC3=C(S2)C=C(C=C3)OS(=O)(=O)[O-])C(=O)[O-]
Description: The molecule is the conjugate base of firefly sulfoluciferin; major species at pH 7.3. It is an aryl sulfate oxoanion and a monocarboxylic acid anion. It is a conjugate base of a firefly sulfoluciferin. It is an enantiomer of a firefly L-sulfoluciferin(2-).