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,O',O'-Tetraalkyl, O,O'-vinylenedi-p-phenylene phosphorothioa
O,O-Di-alkyl-O-(1-6-pyridazinon-3-yl)-(thiono)-phosphoric acid e
O,O-dialkyl O[p-(N-alkylcarbamoyl)phenyl]phosphorothionates and
O,O-dialkyl-5-halo-pyrimidin(2) yl-thionophosphoric acid esters
O,O-Dialkyl-O-(1-phenyl-2-carbalkoxyvinyl)-thionophosphoric acid
O,O-Diaryl-1-acyloxy-2,2,2-trichloroethylphosphonates and fungic
O,O-Diethyl O-((4-tertiarybutylsulfonyl)m-tolyl)phosphorothioate
O,O-Diethyl O-[(p-tertiarybutylthio)phenyl]phosphorothioates and
O,O-diethyl-O-carboxamidophosphate esters and use to combat inse
O,O-Diethyl-O-[N-methoxy-2-nitrobenzimidoyl]-thiono-phosphoric a
O,O-diethylthionophosphonyl-.alpha.-oximino-5-chloro-2-thienyl a
O,S,N-tri-aliphatic hydrocarbon-thionothiolphosphoric acid ester
O,S-dialky l-O-(1-cyanoalkyl-3-substituted)-pyrazol(5)yl-thionot
O,S-dialkyl O -phenylthio-phenyl phosphorothiolates/phosphorodit
O,S-dialkyl O(S)-sulfonyloxy(thio)phenyl phosphorothiolates and
O,s-dialkyl o-benzamidophenyl phosphorothiolates and phosphorodi
O,S-dialkyl O-benzoyl-phenyl phosphorothiolates and phosphorodit
O,S-Dialkyl O-oxysulfonylphenyl phosphorothiolates and phosphoro