https://onlinelibrary.wiley.com/doi/epdf/10.1002/adsc.200606047 (Publisher version)
Angelovski, G., Keränen, M., Linnepe, P., Grudzielanek, S., & Eilbracht, P. (2006). A Rapid and Reliable Assay for Regioselectivity Using Fluorescence Spectroscopy. Advanced Synthesis & Catalysis, 348(10-11), 1193-1199. doi:10.1002/adsc.200606047.