1. Ali, M. M., Ismail, M. M., El-Gaby, M. S., Zahran, M. A., and Ammar, Y. A., Synthesis and antimicrobial activities of some novel quinoxalinone derivatives. Molecules, 5, 864–873 (2000).
2. An, D. and Peng, Z., Synthesis of pyrimidine derivatives carrying nitrogen-containing benzoheterocycles. Hunan Daxue Xuebao, Ziran Kexueban, 30, 29–31 (2003).
3. Atta-ur-Rehman, M., Studies in natural product chemistry. Elsevier Science Publishers, Netherlands, pp. 383–384, (1991).
4. Atta-ur-Rehman, M., Choudhary, I., and Thomson, W. J., Manual of Bioassay techniques for natural product research. Harward Academic Press, Amsterdam, pp. 82–84, (1999).
5. Atta-ur-Rehman, M., Choudhary, I., and Thomson, W. J., Bioassay techniques for drug development. Harward Academic Publishers, France, pp. 67–68, (2001).