Compare Phthalocyanines
Reference
R.D. Lillie.
Conn's Biological Stains, Ed. 8.
Williams & Wilkins, Baltimore, MD., USA.
Horbin, R. W., and Kiernan, J., A., (2002)
Conn's Biological Stains, Ed. 10
Biological Stain Commission, BIOS Scientific Publishers, Oxford, UK.
Edward Gurr, (1971)
Synthetic dyes in biology, medicine and chemistry
Academic Press, London, England.