• Potential Analgesics. Part I. Synthesis of substituted 4-quinazolones, I. K. Kacker and S. H. Zaheer, J. Ind. Chem. Soc. 28 (1951), pp. 344–346.
• Patel, M., et al.: Anal. Profiles Drug Subs., 4, 245 (1973)
• Brown, S.S., et al.: Clin. Pharmacol. Ther., 14, 314 (1973)