O,O-bis(substituted pyridinyl)phosphonates and phosphonothioates
O,O-Di-(substituted)-1-phosphonomethyl-3-(substituted)- 1,3-imid
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 phosphoramidothioate plant growth enhancers
O,O-dialkyl-5-halo-pyrimidin(2) yl-thionophosphoric acid esters
O,O-Dialkyl-N-(benzyl or t-butyl)-N-cyanomethyl aminomethylphosp
O,O-dialkyl-N-phosphonomethyl-N-halomethyl acetamide
O,O-Dialkyl-O-(1-phenyl-2-carbalkoxyvinyl)-thionophosphoric acid
O,O-Dialkyl-s-(2,3,4-trichloro)butyl thiophosphate
O,O-dialkyldithiophosphoryl-N-hydrocarbylthiophosphoramides
O,O-Dialkylphosphoryloxy-2,3,5,8-tetrahydro-1H-s-triazolo[1 ,2a]
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-2-(5-ethyl-6-bromothiazolo[3,2-b]-s-triazolyl)thiono
O,O-diethyl-O-carboxamidophosphate esters
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