Answers are grounded in this paper and cite their sources.
Article SYNTHESIS OF A FUNCTIONALIZED CYANINE DYE FOR COVALENT LABELING OF BIOMOLECULES WITH A pH-SENSITIVE CHROMOPHORE was published on December 1, 2004 in the journal Heterocyclic Communications (volume 10, issue 6).
No takes yet. Share an insight, caveat, or question.
Strękowski et al. (2004) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: