SMILES: CCNC1=CC2=C(C=C1C)C(=C3C=C(C(=[NH+]CC)C=C3O2)C)CCC(=O)O.[O-]Cl(=O)(=O)=O
Description: The molecule is a monocarboxylic acid, a xanthene dye and an organic perchlorate salt. It has a role as a fluorochrome. It contains an ATTO 520-2(1+).