... Journal of Photochemistry and Photobiology A: Chemistry. ... fragment have been developed by us earlier [5] and [6]. These spiropyran retinal analogs (SRA) possess two various structural fragments with different photochemical properties. ... The photochemistry of carotenoids. ...
[Chemistry of Heterocyclic Compounds (New York, NY, United States), , vol. 17, # 5 p. 476 - 479 Khimiya Geterotsiklicheskikh Soedinenii, , # 5 p. 649 - 653]