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1. R. J. Cogdell, T. Gillbro, P. O. Andersson, RSHL & A. E. Asato, "Carotenoids as Accessory Light-harvesting Pigments," Pure Appl. Chem., 66, 1041-1046 (1994).

2. J. Liu, L. U. Colmenares & RSHL, "Fluorinated Astaxanthins," Tetrahedron Lett., 38, 8495-8498 (1997).

3. D. Hoishen, L. U. Colmenares, J. Liu, C. J. Simmons, G. Britton & RSHL, "Fluorinated Analogs of the Carotenoprotein, a-Crustacyanin," Bioorg. Chem., 26, 365-374 (1998).

4. D. Hoishen, L. U. Colmenares, I. Koukhareva, M. Ho & RSHL, "9-CF₃ and 13-CF₃-b-Carotene, Canthaxanthin and Related Carotenoids. Synthesis, Characterization and Electrochemical Data," J. Fluorine Chem., 97, 165-171 (1999).

5. A. E. Asato, D. T. Watanabe & RSHL, "The Use of Prochiral Centers for Demonstrating Asymmetric Stacking in Aggregates of Azulenylazulenium Cyanine Dyes," Org. Lett., 2, 2559-2562 (2000).

6. RSHL, "Colors. Tinkering with the Blue Color of Azulene," J. Chem. Ed., 79, 183-185 (2002).