• Ambrogi, V. et al., Arzneim.-Forsch., 1971, 21, 200; 208; 215; 242, (pharmacol, synth)
• Negwer, M., Organic-Chemical Drugs and their Synonyms, 6th edn., Akademie-Verlag, 1987, 6268, (synonyms)
• Martindale, The Extra Pharmacopoeia, 30th edn., Pharmaceutical Press, 1993, 280
• Brogden, R.N. et al., Drugs, 1979, 18, 329, (rev)
• Lebovitz, H.E. et al., Am. J. Med., 1983, 75, 46; 55, (revs)