• Aldrich Library of FT-IR Spectra, 1st edn., 1985, 2, 238C, (ir)
• Wieland, H. et al., Ber., 1915, 48, 1117
• Pellon, R.F. et al., Synth. Commun., 1996, 26, 3877, (synth)
• Lewis, R.J., Sax's Dangerous Properties of Industrial Materials, 8th edn., Van Nostrand Reinhold, 1992, PEG500
• Bauer, K., Chem. Ber., 1950, 83, 10
• Lederer, M., Anal. Chim. Acta, 1952, 6, 1, (use)
• Org. Synth., Coll. Vol., 4, 1963, 15
• Di Stefano, A. et al., Pfluegers Arch., 1985, 405, S95-S100, (pharmacol)
• Ullmann, F. et al., Annalen, 1907, 355, 312
• Brown, C.D.A. et al., Br. J. Pharmacol., 1996, 118, 443-444, (pharmacol)
• Aldrich Library of 13C and 1H FT NMR Spectra, 1992, 2, 1164C, (nmr)