Prepn: M. Sauli, DE 2149923; idem, US 3755350 (1972, 1973 to Rhne-Poulenc). Biological properties: L. Lacroix et al., Phytiatr.-Phytopharm. 23, 165 (1974). Structural rearrangement: B. K. Cooke et al., Pestic. Sci. 10, 393 (1979). Thermal degradn: J. Gomez et al., J. Agric. Food Chem. 30, 180 (1982). HPLC determn in surface water: C. E. Goewie, E. A. Hogendoorn, Sci. Total Environ. 47, 349 (1985). GC-MS determn in chicory and leek: F. Rouberty, J. Fournier, Chromatographia 41, 693 (1995). Field study: T. B. Brenneman et al., Plant Dis. 71, 546 (1987). Degradation in soil: A. Walker, Pestic. Sci. 21, 219 (1987). Review: L. Lacroix et al., Anal. Methods Pestic. Plant Growth Regul. 11, 247-261 (1980).