Synthesis and spectroscopic properties of benzo- and naphthofuryl-3-hydroxychromones
Andrey S. Klymchenko, Turan Ozturk, Vasyl G. Pivovarenko, and Alexander P. Demchenko
Can. J. Chem. 79(4): 358–363 (2001)
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http://dx.doi.org/10.1139/cjc-79-4-358