1. 4) Worthing, C. R., and Hance, R. J., Flusulfamide. In “The pesticide manual” 9th ed., The British Crop Protection Council, UK, pp. 425 (1991).
2. 6) De Benedetti, P. G., In “Progress in drug research”, ed. Jucker, E., Birkhäuser Verlag, Basel, pp. 361-417 (1991).
3. 8) Mandell, G. L., and Petri Jr., W. A., Antimicrobial agents: sulfonamides, trimethoprim-sulfamethoxazole, quinolones, and agents for urinary tract infections. In “The pharmacological basis of therapeutics” 9th ed., ed. Hardman, J. G., New York, Mcgraw-Hill, pp. 716-722 (1995).
4. 10) Greene, T. E., and Wuts, P. G. M., In “Protective groups in organic synthesis” 2nd ed., John Wiley & Sons, New York, pp. 379-381 (1991).