• von Kostanecki, S. et al., Ber., 1906, 39, 625; 4014; 4022, (synth)
• Mirenskaya, I.I. et al., Khim. Prir. Soedin., 1970, 6, 767; Chem. Nat. Compd. (Engl. Transl.), 1970, 6, 781, (uv, purifn)
• Perkin, W.H. et al., J.C.S., 1895, 67, 649; 1896, 69, 792, (isol, struct)
• Khosa, R.L. et al., Chem. Ind. (London), 1984, 881, (deriv)
• Lewis, R.J., Sax's Dangerous Properties of Industrial Materials, 8th edn., Van Nostrand Reinhold, 1992, MRN500
• Perkins, R.W. et al., Anal. Chem., 1956, 28, 1898, (detn, Th)
• Chang, C.-J., J. Nat. Prod., 1978, 41, 17, (cmr)
• Yinon, J. et al., Org. Mass Spectrom., 1978, 13, 167, (ms)
• Onishi, H., Photometric Determination of Traces of Metals, Part IIb: Individual Metals. Magnesium to Zinc, John Wiley, New York, 4th Ed., 1989, 765
• Blank, A.B. et al., Zh. Anal. Khim., 1973, 28, 1331; 1976, 31, 703; 1978, 33, 65, (detn, Zr, rare earths)
• Olenovich, N.L. et al., Zh. Anal. Khim., 1974, 29, 47, (detn, In)
• Cody, V. et al., Plant Flavonoids in Biology and Medicine II, A.R. Liss, N.Y., 1988, (biochem)
• Cody, V. et al., J. Mol. Struct., 1994, 317, 89, (cryst struct)
• Robinson, R. et al., J.C.S., 1929, 61
• Dave, K.G. et al., Tet. Lett., 1962, 9, (isol)
• Kovalev, I.P. et al., Zh. Obshch. Khim., 1963, 33, 1670, (ir)
• Sasaki, S. et al., Yakugaku Zasshi, 1966, 86, 869, (isol)
• Fieser and Fieser's Reagents for Organic Synthesis, Wiley, 1967, 1, 20
• Ono, K., Eur. J. Biochem., 1990, 190, 469, (anti-HIV activity)
• Aldrich Library of FT-IR Spectra, 1st edn., 1985, 2, 96C, (ir)
• Batterham, T.J. et al., Aust. J. Chem., 1964, 17, 428, (pmr)
• Shnaiderman, S.Ya. et al., Zh. Anal. Khim., 1970, 25, 2368, (detn, V)