| abstract |
(Alkyl, phenyl and O-alkyl)-O,-alkyl-O-(benzo-1,2,4-triazin-3yl)-phosphoric and phosphonic and thiono-(phosphoric and phosphonic)-acid esters which possess anthropodicidal, especially acaricidal and insecticidal, properties and which may be produced by reacting the corresponding phosphoric (phosphonic) and thionophosphoric (-phosphonic) acid ester halide with 3-hydroxy-benzo1,2,4-triazine. |