1. ICI Australia Limited: Europ Pat 1,187 (Australian Prior 13.09.77)
2. Kumiai Chemical Industry Co: Europ Pat 223,406 (Jap Prior 15.10.85)
3. The Annual Meeting of Japanese Pesticide Society: Fukuoka (1992)
4. Sumitomo Chemical Co: Europ Pat 426,476 (Jap Prior 01.11.89)
5. Sumitomo Chemical Co: Europ Pat 457,505 (Jap Prior 15.05.90)