Prepn: W. Sanne et al., BE 614214; eidem, US 3686399 (1962, 1972 both to BASF); K.-H. K"onig et al., Angew. Chem. Int. Ed. 4, 336 (1965). Activity: J. Kradel, E. H. Pommer, Proc. 4th Br. Insectic. Fungic. Conf. 1967, 170. Toxicity data: D. Marchand, G. Serra, Def. Veg. 27, 144 (1973), C.A. 79, 133569v (1973).