O,O'-Dialkyl-4,6-diphosphorylated pyrimidines and compositions a
O,O'-Dialkyl-O,O'-[2-aminopyrimidin(4,6) diyl]-bis-[(thiono)(thi
O,O-Di-alkyl-O-(1-6-pyridazinon-3-yl)-(thiono)-phosphoric acid e
O,O-dialkyl-5-halo-pyrimidin(2) yl-thionophosphoric acid esters
O,S-dialky l-O-(1-cyanoalkyl-3-substituted)-pyrazol(5)yl-thionot
O,S-Dialkyl-o-[1-alkyl-3,4-trimethylene-pyrazol(5)yl]-thionothio
O-(N-Alkoxy-pyridinecarboximidoyl) phosphates, process for produ
O-alkyl-6-chloro-benzisoxazol-(3)-yl-thionophosphoric (phosphoni
O-alkyl-O- 4-lepidin(6)yl!-(thiono)(thiol) phosphoric (phosphoni
O-Alkyl-O-(6-alkanesulphonyloxy-pyrimidin(4)yl)-(thiono) (thiol)
O-Alkyl-O-n-propyl-O-pyrimidin(2)yl-thiono-phosphoric acid ester
O-Alkyl-O-pyrimidin (2)yl-thionophosphonic acid esters
O-alkyl-O-[1,6-dihydro-1-substituted-6-thioxopyridazin(3)yl]-(th
O-alkyl-O-[1-(trifluoromethylphenyl)-1,6-dihydropyridaz-(6 )-on-
O-Alkyl-O-[1-cyanoalkyl-5-substituted-merc apto-triazol(3)yl]-(t
O-Alkyl-O-[1-phenyl-5-cyanoalkylmercapto-1,2,4-triazol(3)yl]-thi
O-alkyl-O-[2-alkylthio-imidazol(4)yl](thiono)-phosphoric(phospho
O-Alkyl-o-[3-methyl-1,2,4-triazolo-(2,3,b )-thiazol(6)-yl](thion
O-alkyl-O-[4,6-dimethyl-5-chloropyrimidin-(2)-yl]-(thiono) (thio
O-alkyl-O-[4-alkylpyrimidin(2)yl]-(thiono)-(thiol) phosphoric (p