Efficient Synthesis of Ratiometric Fluorescent Nucleosides Featuring 3-Hydroxychromone Nucleobases - Spadafora, Marie; Postupalenko, Victoria Y.; Shvadchak, Volodymyr V.; Klymchenko, Andrey S.; Mély, Yves; Burger, Alain; Benhida, Rachid (Tetrahedron, 2009)