SMILES: C1=CC=C(C=C1)NC2=CC=CC3=C2C(=CC=C3)S(=O)(=O)O
Description: The molecule is a naphthalenesulfonic acid that is naphthalene-1-sulfonic acid substituted by a phenylamino group at position 8. It has a role as a fluorescent probe. It is an aminonaphthalene and a naphthalenesulfonic acid.