SMILES: CCN(CC)C1=CC2=C(C=C1)C=C(C(=O)O2)/C=C/C3=C(C=[N+](C=C3)CCCCCC(=O)O)S(=O)(=O)[O-]
Description: The molecule is an iminium betaine that consists of 4-{2-[7-(diethylamino)-2-oxo-2H-chromen-3-yl]ethenyl}pyridine-3-sulfonate carryiing a 5-carboxypentyl substituent on the pyridine nitrogen. It has a role as a fluorochrome. It is an iminium betaine and an aminochromene.