Smiles Code
[I-].CN1\C(=C/C=C/C=C/C2=[N+](C)c3ccccc3C2(C)C)\C(C)(C)c4ccccc14
Hexacyanine 2 is a known synthetic biological stain that is used in photodynamic therapy. Recent research has focused on the development of the combination of a photosensitizer with photoprotector cyanine dye as a novel antitumor strategy for the eradication of malignant cells expressing the multidrug-resistance phenotype.